Perry is all dressed up for her Prism album release party near L.A. Plus: William, Kate & baby George, Kim Kardashian, Miley Cyrus, David Beckham and more

REACH OUT & TOUCH

During a release party for her Prism album on Tuesday, Katy Perry can't resist poking Extra host Mario Lopez's sexy dimples at the new iHeartRadio Theater in Burbank, Calif.