Knightley gives the aye as she commutes to work by boat. Plus: Gwen & Kingston, Jennifer Aniston and more

LOUD & CLEAR

Kristin Cavallari, who attended ex Brody Jenner's birthday bash last week, sends out a message (perhaps to Jenner's new gal pal Nicole Richie?) – "You Can Have Him" – while stepping out in Brentwood, Calif., recently.