Lonely Together Avicii Feat. Rita Ora Download 'Lonely Together' on iTunes
Katy Perry has sent her birthday wishes to Rihanna.
Katy sent the Twitter 'happy birthday boo. Wish I could b there to blackout! Luv U'.
Rihanna Tweeted in reply 'bitch are u kidding? I missed ur WEDDING!! This is small stuff boo! #whenworkcalls.'