From PEOPLE Magazine Click to enlarge
SURF'S UP!

After turning 40 on Dec. 29, Jude Law took his family to Maui. As he played in the water Jan. 1, "he looked like a little kid!" says an observer.

MAD HATTERS

Reese Witherspoon, 36, and Jim Toth, 42 (on Jan. 2) brought their 3-month-old son Tennessee (and her older kids) to the Four Seasons resort on the Big Island.

FAMILY BONDING

Julianne Moore, 52, and family stayed in a house on Kauai, where she and daughter Liv, 10, traded their pool for the Pacific Jan. 2.

SIX-PACK PAPA

While on vacation on Maui on Jan. 2, Mark Wahlberg, 41, flaunted his abs as he hit the beach with his wife and kids.

SURFSIDE SMILES

An observer says Milla Jovovich, 37, her filmmaker husband, Paul W.S. Anderson, 47, and daughter Ever, 5, had "the best time" on Maui's Wailea Beach on New Year's Eve.

TROPICAL TWOSOME

"In paradise and I've never been happier!" tweeted Lea Michele, 26, of her romantic getaway to the Big Island's Four Seasons with beau Cory Monteith, 30 (on Jan. 1).

SCUBA STEVE

Steven Tyler, 64, who has a home on Maui, went scuba diving and hiking on Dec. 30 and calls Hawaii "my favorite place."

RIDING THE WAVES

On the Jan. 2 agenda for the Tyler family? Paddleboarding! Liv, 35 (who was on vacation with her rocker dad), took son Milo, 8, for a ride.