Peter Gene Hernandez (born October 8, 1985), better known by his stage name Bruno Mars, is an American singer-songwriter and music producer. He is known for lending his vocals and co-writing the hooks for the songs "Nothin' on You" by B.o.B, and "Billionaire" by Travie McCoy, as well as his own international number-one single "Just the Way You Are". He also co-wrote the international hits "Right Round" by Flo Rida featuring Kesha, "Wavin' Flag" by K'naan, and "Fuck You!" by Cee Lo Green. On October 4, 2010, he released his debut album, Doo-Wops & Hooligans. "Count on Me" is a song by American singer and songwriter Bruno Mars for his debut studio album Doo-Wops & Hooligans (2010). It was written by Mars, and Philip Lawrence and Ari Levine of production team The Smeezingtons, who also handled the song's production.Peter Gene Hernandez (born October 8, 1985), better known by his stage name Bruno Mars, is an American singer-songwriter and music producer. He is known for lending his vocals and co-writing the hooks for the songs "Nothin' on You" by B.o.B, and "Billionaire" by Travie McCoy, as well as his own international number-one single "Just the Way You.