Travie McCoy and The Smeezingtons, Bruno's production team, wrote it so yes he did:)
Yes! Bruno Mars sang Billionaire while Travie McCoy rapped!!!! :-P [He was featured in it.]
Bruno Mars sings Billionaire if that's what you are asking?
Bruno mars
it is billionaire.
Because he wanted to? (:
Bruno Mars - Just The Way You Are Travie McCoy ft Bruno Mars - Billionaire
Billionaire bye Bruno Mars!
Bruno Mars, Philip Lawrence and Ari Levine. They met together and wrote it in his studio along with Nothin' on you.
Billionaire he sings it with Travie McCoy
I believe it is Billionaire by Travie McCoy feat. Bruno Mars
Grenade, The lazy song, Billionaire, and Just the way you are!!
Travie McCoy and Bruno Mars. Billionaire