Lohan and Ronson share a laugh during a break from filming Labor Pains in North Hollywood. Plus: DeAnna Pappas, Brody Jenner, Paris Hilton and more  

  • FLOWER POWER photo | Katy Perry

Credit: Chris Polk/FilmMagic

Published: Friday Jul 11, 2008 | 05:15 PM EDT

FLOWER POWER

Katy Perry's career is in full bloom Thursday during a taping of MTV's FNMTV in Hollywood. The "I Kissed a Girl" singer performed her No. 1 single on the show – scheduled to air on July 18 – while guests like LL Cool J and Chris Daughtry (not pictured) also dropped by.