Swalla Jason Derulo feat. Nicki Minaj & Ty Doll Download 'Swalla' on iTunes
Usher has defended Rihanna against criticism, specifically her crotch grabbing NBA performance.
He told Loose Women: 'Artistic direction is just that you know, and obviously subjective. Everyone has their opinion and it's a family show.
'I think she is a responsible young lady and maybe the song represented the attitude of, you know, 'how long have guys been grabbing their crotches?'