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". In October 2010, he released his debut album, Doo-Wops & Hooligans.