The pop star gets her feet wet with son Kingston, 2, at the Malibu shore. Plus: Jennifer Aniston, Heidi Klum, Katie Holmes and more

BELLE OF THE BALL

After chatting up Princes William and Harry earlier in the week, a glamorous Paris Hilton is ready to rub elbows with more royals Thursday as she heads to a lavish London bash hosted by interior designer Nicky Haslam. At the party, the heiress shared the dancefloor with Princesses Beatrice and Eugenie.