From PEOPLE Magazine Click to enlarge
Frolicking with the Federlines
In Miami to host a party at hot spot Mansion, K-Fed dipped with baby Sean and babe Britney (showing off Sean's sibling-to-be, top). The next day, Dad went full throttle with some pals (above).

MEG RYAN
The tot in the hat? Baby Daisy, on vacation with Mom in Hawaii.

KATE BECKINSALE
The Click star took a pause with daughter Lily at Venice Beach while—get this—her husband, Len Wiseman, and her Welsh actor ex, Michael Sheen, went boogie boarding together. (Tune in next week when Denise and Richie bring Charlie snorkeling. Or not.)

CAMERON DIAZ & DREW BARRYMORE
Work that lower-back tattoo, Drew! The Charlie's Angels and friends hit the Bahamas' Eleuthera to shake and bake.

MISCHA BARTON
All together now: She wore an itsy bitsy teeny weeny stringy Missoni bikini ... in Malibu with boyfriend Cisco Adler.

REESE WITHERSPOON
Swept Away—the sequel! The actress came close to being washed up in Malibu but survived to romp with husband Ryan Phillippe and their two kids.