I read that Bruno Mars was born Peter Gene Hernandez
What else can you tell me about Bruno Mars?
He is an American singer and songwriter who also is a multi-instrumentalist
What are some of his most popular songs?
Lets see..I read that he had a debut studio album "Doo-Wops & Hooligans" 
Were they well received? Did they win any awards?
I did read that Mars second album "Unorthodox Jukebox" was number one in the United States
That is quite an accomplishment! What year was his album number one?
The album "Unorthodox Jukebox" was number one in 2012