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Look who's turning 1 on Dec. 25! Proud parents Mario Treadway and Alanis Morissette take their little man out for a sunny family stroll in Brentwood, Calif., on Oct. 31.
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Hold tight! A 3-year-old (Dec. 13) Kai and dad Liev Schreiber stay in a New York state of mind while hailing a taxi in Manhattan on Oct. 15.
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Liv Tyler and son Milo – he's turning 7 on Dec. 14 – make a picture-perfect duo on May 20, 2010, while shopping together in New York City.
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Hold on, mom! Keeping her cool in shades, Leelee Sobieski gives her little cutie (who turns 3 on Dec. 16) a lift as they explore the streets of New York City on Sept. 5.
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Look who's all grown up! The son of the late Crocodile Hunter Steve Irwin (who turned 9 on Dec. 1) celebrates his father's legacy with big sis Bindi, 14, at the annual Steve Irwin Day held at the Australia Zoo on Oct. 28.
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Gisele Bündchen's little man, who turns 1 on Dec. 8, stays warm in a cute dog print sweater in chilly New York on Nov. 19.
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Almost five (Dec. 20), a smiling Bayley shares a special moment with mom Teri Polo at the premiere of Dolphin Tale in Westwood, Calif., on Sept 17.
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D'LILA & JESSIE COMBS
Hip-hop mogul Sean takes a break from his busy schedule to spend time with his darling twin girls (they turn 5 on Dec. 21) in Century City, Calif., on May 14.
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Taxi, please! A causal Kate Winslet makes hailing a cab a joint effort with her son (who turns 8 on Dec. 22) in New York on May 11.
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Zachary, who turns one on Christmas Day, stays on trend wearing a cozy hat during a family outing with parents Elton John and David Furnish on Oct. 27 in N.Y.C.
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DOLLY & CHARLIE O'CONNELL
Rebecca Romijn and Jerry O'Connell's little fashionistas (who turn 4 on Dec. 28) show off their individual style while shopping for Halloween gear on Sept. 7 in Woodland Hills, Calif.
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