Peter Hernandez (born October 8 1985 in Waikiki Hawaii) better known by his stage name Bruno Mars is a Filipino-Puerto Rican American singer/songwriter producer and multi-instrumentalist signed to Atlantic Records. He is most well known for singing and co-writing the hooks for the #1 hit Nothin on You by B.o.B and Billionaire by Travie McCoy; he also co-wrote the international hits Right Round by Flo Rida and Wavin Flag by K naan.