Chelsea Clinton was beaming on the red carpet Thursday night, just hours after sharing with the world the happy news that she and Marc Mezvinsky are expecting their first child. The former first daughter attended the Shorts Program: City Limits at the 2014 Tribeca Film Festival screenings at AMC Loews Village 7 in New York. She is executive producer for the film 'Of Many.' The 34-year-old revealed she was pregnant Thursday afternoon at the Clinton Foundation's No Ceilings: The Full Participation Project, which aims to empower young women. She told the assembled guests: 'Marc and I are very excited that we have our first child arriving later this year.' Scroll Down for Video . Beaming: Chelsea Clinton attends the Shorts Program: City Limits at the 2014 Tribeca Film Festival Thursday night, after revealing she's pregnant. She is the executive producer of the film 'Of Many' Film screening: Director Linda G. Mills and executive producer Chelsea Clinton attend the Shorts Program: City Limits at the 2014 Tribeca Film Festival screenings at AMC Loews Village 7 . Team: Khalid Latif, director Linda G. Mills, executive producer Chelsea Clinton and Rabbi Yehuda Sarna attend the Shorts Program: City Limits at the 2014 Tribeca Film Festival screenings where their film 'Of Many' was showing . There was a cheer from the audience as she revealed the news, before she continued: 'I certainly feel all the better . whether it’s a girl or a boy that she or he will grow up in world filled . with so many strong, young female leaders. . . 'I just hope that I will be as good a mom to my child and hopefully children as my mom was to me.' Chelsea . is likely to be around 12 weeks along; most women wait until the start . of the second trimester to announce their pregnancy because the chance . of miscarriage is greatly reduced. Hillary . Clinton followed the announcement with an excited Twitter post. She . wrote: 'My most exciting title yet: Grandmother-To-Be! @billclinton and I . are thrilled that Chelsea and Marc are expecting their first child!' Husband Bill echoed her words with a tweet of . his own, reading: 'Excited to add a new line to my Twitter . bio...grandfather-to-be! @hillaryclinton and I are so happy for Chelsea . and Marc!' Hillary . was present on stage as Chelsea revealed her news, as well as Ugly . Betty actress America Ferrera who was moderating the event. Mom-to-be: Chelsea Clinton announced today that she is expecting her first child . Celebration: Hillary beams as Chelsea announces that she is to become a mother . Excited: Hillary Clinton looked delighted at her daughter's news . Early signs? There was little glimpse of a baby bump as Chelsea made her announcement today - it is likely that she is just 12 weeks along . Secret: Chelsea and Marc pictured in February at the AmFar New York gala - they would have known they were expecting at that point in time . She said to the attendees that a new generation 'makes this work even more important.' Already the congratulations are flooding in for Chelsea and her husband. Jenna Bush Hager, a fellow former first daughter and new mother herself, tweeted: 'Congratulations @ChelseaClinton! Welcome to the best club in the world. Mamahood is wonderful. Xx' And the Washington Post's Philip Rucker revealed that Vogue editor-in-chief Anna Wintour is delighted for the family too. He tweeted: 'I asked Anna Wintour about Chelsea Clinton baby news: "I'm so thrilled. I know that Sec Clinton has wanted a grandchild for a long time."' Chelsea acknowledged the congratulations in kind, tweeting: 'Marc and I are so thrilled to be expecting our first child in the fall! Thank you for all of the kind words!' Autumn child: Chelsea also made an announcement on Twitter, revealing that the baby will be born in the fall . Grandmother-to-be: Hillary followed Chelsea's announcement with an excited Twitter post . Future grandpa: Bill Clinton posted a tweet of his own that said how he excited he was . Join the club! Jenna Bush Hager, a fellow former first daughter and new mother herself, tweeted her congratulations almost immediately after the news was announced . Chelsea has faced much pressure from her parents to start a family over the past few years - and in an interview with Glamour magazine last year, she hinted that she and Marc were trying for a child. '2014 is the year of the baby,' she said. 'Call my mother and tell her that. She asks [Marc and I] about it every single day.' Indeed, Hillary has made no secret of her desire to be a grandmother. Speaking . in the March 2011 issue of Harper's Bazaar, she admitted that . she'd probably be an 'unbearable' grandmother, but she'd 'love' Chelsea to have children. She . said of the suggestion: 'Well, no pressure, because I don't want to be . one of those kinds of mothers. But obviously, someday, I'd love it.' Chelsea later reassured her mother . during a 2012 interview with Vogue, that she was gearing up to start a . family 'in a couple of years'. The . couple, both Stanford University graduates, met when they were . teenagers, but didn't start dating until years later in 2005. They tied . the knot during a lavish ceremony five years later. Proud parents: Hillary and Bill Clinton with daughter Chelsea and her husband Marc Mezvinsky at their wedding . Following suit: Chelsea (pictured as a toddler in her mother's arms) says she hopes to be as good a mother to her child as Hillary was to her . While Marc works as an investment banker in New York, Chelsea, after dabbling in Wall Street, is now fully committed to helping shape her family foundation - and has even put her name on the door. She has traveled extensively on behalf of  the Bill, Hillary & Chelsea Clinton Foundation - previously known as the William J. Clinton Foundation - and serves as Vice Chair. She presided over a panel on noncommunicable diseases and announced several philanthropic commitments at the Clinton Global Initiative recently, including efforts to provide clean drinking water and promote the health of women and children in Latin America. The youngest Clinton has also hinted that politics could be in her future. In an interview with CNN from Rwanda last year, she said she was 'attempting to lead a purposely public life' and that she might consider politics if she thought she could make a difference. Family-sized: Chelsea and Marc splashed out on a $10.5million, four-bedroom apartment last year . Luxury living: The couple's new home has plenty of space to accommodate a baby . Impressive: Their new marital home lays claim to being one of New York's longest apartment - stretching an entire block from 26th Street to 27th Street off Madison Avenue . Work aside, she told Glamour that her main ambitions in life are to be 'a good wife, daughter, and friend' and she doesn't 'fundamentally care about making money.' However, a hefty bank balance came in useful as she and Marc splashed out on a $10.5million, four-bedroom apartment earlier this year. Their new marital home lays claim to being one of New York's longest apartment - stretching an entire block from 26th Street to 27th Street off Madison Avenue.
The former first daughter attended the Shorts Program: City Limits at the 2014 Tribeca Film Festival screenings at AMC Loews Village 7 in New York .
She is the executive producer of the film 'Of Many,' which was screening .
The baby will be the first grandchild for former President Bill Clinton and former Secretary of State Hillary Clinton .
Chelsea, 34, made the announcement Thursday afternoon in New York at a Clinton Foundation event .
She said that she hopes to be 'as good a mom to my child and hopefully children as my mom was to me'
Chelsea Clinton was beaming on the red carpet Thursday night, just hours after sharing with the world the happy news that she and Marc Mezvinsky are expecting their first child. The former first daughter attended the Shorts Program: City Limits at the 2014 Tribeca Film Festival screenings at AMC Loews Village 7 in New York. She is executive producer for the film 'Of Many.' The 34-year-old revealed she was pregnant Thursday afternoon at the Clinton Foundation's No Ceilings: The Full Participation Project, which aims to empower young women. She told the assembled guests: 'Marc and I are very excited that we have our first child arriving later this year.' Scroll Down for Video . Beaming: Chelsea Clinton attends the Shorts Program: City Limits at the 2014 Tribeca Film Festival Thursday night, after revealing she's pregnant. She is the executive producer of the film 'Of Many' Film screening: Director Linda G. Mills and executive producer Chelsea Clinton attend the Shorts Program: City Limits at the 2014 Tribeca Film Festival screenings at AMC Loews Village 7 . Team: Khalid Latif, director Linda G. Mills, executive producer Chelsea Clinton and Rabbi Yehuda Sarna attend the Shorts Program: City Limits at the 2014 Tribeca Film Festival screenings where their film 'Of Many' was showing . There was a cheer from the audience as she revealed the news, before she continued: 'I certainly feel all the better . whether it’s a girl or a boy that she or he will grow up in world filled . with so many strong, young female leaders. . . 'I just hope that I will be as good a mom to my child and hopefully children as my mom was to me.' Chelsea . is likely to be around 12 weeks along; most women wait until the start . of the second trimester to announce their pregnancy because the chance . of miscarriage is greatly reduced. Hillary . Clinton followed the announcement with an excited Twitter post. She . wrote: 'My most exciting title yet: Grandmother-To-Be! @billclinton and I . are thrilled that Chelsea and Marc are expecting their first child!' Husband Bill echoed her words with a tweet of . his own, reading: 'Excited to add a new line to my Twitter . bio...grandfather-to-be! @hillaryclinton and I are so happy for Chelsea . and Marc!' Hillary . was present on stage as Chelsea revealed her news, as well as Ugly . Betty actress America Ferrera who was moderating the event. Mom-to-be: Chelsea Clinton announced today that she is expecting her first child . Celebration: Hillary beams as Chelsea announces that she is to become a mother . Excited: Hillary Clinton looked delighted at her daughter's news . Early signs? There was little glimpse of a baby bump as Chelsea made her announcement today - it is likely that she is just 12 weeks along . Secret: Chelsea and Marc pictured in February at the AmFar New York gala - they would have known they were expecting at that point in time . She said to the attendees that a new generation 'makes this work even more important.' Already the congratulations are flooding in for Chelsea and her husband. Jenna Bush Hager, a fellow former first daughter and new mother herself, tweeted: 'Congratulations @ChelseaClinton! Welcome to the best club in the world. Mamahood is wonderful. Xx' And the Washington Post's Philip Rucker revealed that Vogue editor-in-chief Anna Wintour is delighted for the family too. He tweeted: 'I asked Anna Wintour about Chelsea Clinton baby news: "I'm so thrilled. I know that Sec Clinton has wanted a grandchild for a long time."' Chelsea acknowledged the congratulations in kind, tweeting: 'Marc and I are so thrilled to be expecting our first child in the fall! Thank you for all of the kind words!' Autumn child: Chelsea also made an announcement on Twitter, revealing that the baby will be born in the fall . Grandmother-to-be: Hillary followed Chelsea's announcement with an excited Twitter post . Future grandpa: Bill Clinton posted a tweet of his own that said how he excited he was . Join the club! Jenna Bush Hager, a fellow former first daughter and new mother herself, tweeted her congratulations almost immediately after the news was announced . Chelsea has faced much pressure from her parents to start a family over the past few years - and in an interview with Glamour magazine last year, she hinted that she and Marc were trying for a child. '2014 is the year of the baby,' she said. 'Call my mother and tell her that. She asks [Marc and I] about it every single day.' Indeed, Hillary has made no secret of her desire to be a grandmother. Speaking . in the March 2011 issue of Harper's Bazaar, she admitted that . she'd probably be an 'unbearable' grandmother, but she'd 'love' Chelsea to have children. She . said of the suggestion: 'Well, no pressure, because I don't want to be . one of those kinds of mothers. But obviously, someday, I'd love it.' Chelsea later reassured her mother . during a 2012 interview with Vogue, that she was gearing up to start a . family 'in a couple of years'. The . couple, both Stanford University graduates, met when they were . teenagers, but didn't start dating until years later in 2005. They tied . the knot during a lavish ceremony five years later. Proud parents: Hillary and Bill Clinton with daughter Chelsea and her husband Marc Mezvinsky at their wedding . Following suit: Chelsea (pictured as a toddler in her mother's arms) says she hopes to be as good a mother to her child as Hillary was to her . While Marc works as an investment banker in New York, Chelsea, after dabbling in Wall Street, is now fully committed to helping shape her family foundation - and has even put her name on the door. She has traveled extensively on behalf of the Bill, Hillary & Chelsea Clinton Foundation - previously known as the William J. Clinton Foundation - and serves as Vice Chair. She presided over a panel on noncommunicable diseases and announced several philanthropic commitments at the Clinton Global Initiative recently, including efforts to provide clean drinking water and promote the health of women and children in Latin America. The youngest Clinton has also hinted that politics could be in her future. In an interview with CNN from Rwanda last year, she said she was 'attempting to lead a purposely public life' and that she might consider politics if she thought she could make a difference. Family-sized: Chelsea and Marc splashed out on a $10.5million, four-bedroom apartment last year . Luxury living: The couple's new home has plenty of space to accommodate a baby . Impressive: Their new marital home lays claim to being one of New York's longest apartment - stretching an entire block from 26th Street to 27th Street off Madison Avenue . Work aside, she told Glamour that her main ambitions in life are to be 'a good wife, daughter, and friend' and she doesn't 'fundamentally care about making money.' However, a hefty bank balance came in useful as she and Marc splashed out on a $10.5million, four-bedroom apartment earlier this year. Their new marital home lays claim to being one of New York's longest apartment - stretching an entire block from 26th Street to 27th Street off Madison Avenue.
daughter attended the Shorts Program: City Limits AMC Loews Village 7 in New York. She is executive producer for the film 'Of Many.' The 34-year-old revealed she was pregnant Thursday afternoon at Shorts Program: City Limits at the 2014 Tribeca she's pregnant. She is the executive producer of 2014 Tribeca Film Festival screenings at AMC a mom to my child and hopefully children as my mom was to me.' Chelsea . is likely to be around that the baby will be born in the fall . arms) says she hopes to be as good a mother to the Bill, Hillary & Chelsea Clinton Foundation -