Jennifer Lynn Lopez (also known as J. Lo) is a Grammy-nominated American singer, dancer, fashion designer and actress. She was born July 24, 1969. She's most known for her performances in "Selena", "Maid in Manhattan", "Out of Sight" (co-starring George Clooney), "Monster-in-Law", "The Cell", and "An Unfinished Life" (with Robert Redford and Morgan Freeman). She also was a judge for the talent reality series "American Idol" in 2011 and from 2014 until the show's series finale in 2016..