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

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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.