Yes! Bruno Mars sang Billionaire while Travie McCoy rapped!!!! :-P [He was featured in it.]
yes because
Because he wanted to? (:
They sang Torn by Natalie Imbruglia
They never sang together.
Yes, because he's a billionaire
Because Bill Gates is a billionaire!
John Lennon sang the lead on that track.
According to Juliet, the nightingale sang from the pomegranate tree in her garden. Juliet says this because she does not want Romeo to leave after their first and only night together.
there a pikachu in billionaire
yes, actully they were engadged and sang a song together but they broke up because he cheated
As far as I know they never sang together, however she appeared in his film clip "You are not alone"