Katy Perry Laughing At Rihanna

Katy Perry is touching heights with her track Roar and now the singer talks about her friend Rihanna. She laughed at her because despite of smoking pot, RiRi seems to look fresh all the time<br /><br />For more Hollywood news and gossip:<br />http://www.youtube.com/hollywoodbackstage<br /><br />Subscribe at: <br />http://www.youtube.com/subscription_center?add_user=HollywoodBackstage<br /><br />Like us on Facebook:<br />http://www.facebook.com/hollywoodbackstage<br /><br />Follow us on Twitter:<br />https://twitter.com/#!/HollywoodBstage