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Christina Aguilera gets an early start celebrating son Max's birthday – he turns 3 today – with a visit to Disneyland in Anaheim, Calif., Tuesday, where the b-day boy laughed it up with Mickey, Minnie and Donald Duck.
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Katie Holmes takes time out from filming Jack and Jill Tuesday for a cuddle with daughter Suri, 4, at
L.A.'s Plummer Park.
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A SERIOUS MAN
Zac Efron steps out for a cause Tuesday, attending the H.O.M.E. Foundation's STIKS Celebrity Video Game Challenge in Hollywood.
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He's a climber! Kendra Wilkinson and hubby Hank Baskett take their adorable 13-month-old son, Hank Baskett IV, out for some playground action Tuesday at a Los Angeles park.
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Mommy, look over there! Sarah Jessica Parker and her excited 19-month-old twin tot, Tabitha, stay bundled up on a chilly Tuesday while out and about in New York.
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Rachel McAdams shows off her svelte figure – plus a little more! – at the London premiere of Morning Glory Tuesday.
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SUIT HIM UP
The cold's got nothing on Chuck Bass! Ed Westwick looks extra dapper in a three-piece suit while filming Gossip Girl Tuesday in New York.
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American Idol judges Steven Tyler, Jennifer Lopez and Randy Jackson joke around during their press tour panel discussion Tuesday in Pasadena, Calif., before season 10 premieres on Jan. 19.
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Halle Berry sports an all-black ensemble – and makes sure to stay well-hydrated! – while running errands in Los Angeles Tuesday.
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