Katy Perry hits Grammy afterparty

Katy Perry and John Mayer were among the stars who attended Universal Music's post Grammy party on Sunday, celebrating an evening that is the music industry's biggest night.<br/> <br />The elegant afterparty took place in downtown LA at The Theatre at Ace Hotel.<br/> <br />Perry posed for photos on the red carpet, as boyfriend Mayer snapped pictures from his own camera.<br/> <br />Newcomer Kacey Musgraves won the Grammy for best country album.<br/> <br />She talked about the support she received from her band onstage.<br/> <br />SOUNDBITE, Kacey Musgraves, saying (English)<br/> <br />"Going into something like this could be a lot of pressure, I don't feel that way because we're all on the same page and we're all just there for the common goal, to present something that's fun and lively and just, music. I wasn't nervous, really."<br/> <br />Soul icon Smokey Robinson said he had a great time watching the show.<br/> <br />SOUNDBITE, Smokey Robinson, saying (English):<br/> <br />"Everybody was outstanding and I just enjoyed myself tr