Star Tracks: Friday, May 21, 2010

01 of 15

SPEED RACER

Coming through! Jennifer Aniston waves aloha from her red-hot ride Thursday while in Hawaii filming Just Go With It.

02 of 15

FASHION FLASHBACK

Madonna channels her '80s alter ego, Desperately Seeking Susan, Thursday while partying at London nightclub Aura.

03 of 15

BEACH BUDDIES

Life's a beach for Kate Hudson and her ab-tastic costar Colin Egglesfield (of Melrose Place fame), who playfully shoot scenes for their latest film, Something Borrowed, in the Hamptons, N.Y., on Thursday.

04 of 15

DRESSED TO KILL

Katherine Heigl brightens things up Thursday while heading out in New York City. Later, the actress headed over to the Late Show with David Letterman to promote her newest film, Killers.

05 of 15

POWER PLAYERS

Beyoncé, Jada Pinkett Smith, Jay-Z and Will Smith celebrate FELA!'s 11 Tony Award nominations Thursday at New York restaurant The Palm. The Smiths and Jay-Z are producers of the Broadway show.

06 of 15

DIAPER JEANIES

Proud parents – and diaper-changing pros! – Rebecca Romijn and Jerry O'Connell cuddle up in New York City on Thursday at a launch event for Huggies Jeans diapers. But it's back to work soon for O'Connell, who returns to the small screen this fall on a new law series, The Defenders.

07 of 15

ALL TIED UP

Ed Westwick – whose Gossip Girl character Chuck Bass suffered a cruel fate on Monday's season finale – cuts his ties from the Upper East Side by showing off his own fashion sense Thursday at an Express fashion show in N.Y.C.

08 of 15

CASUAL THURSDAY

Halle Berry steps out Thursday without her cutest plus one – 2-year-old daughter Nahla – in Hollywood.

09 of 15

PALM SPRINGS!

KATY PERRY'S DRESS — Kevin Mazur/WireImage

Katy Perry gives a very colorful performance Thursday at the CW network’s 2010 upfront presentation at Madison Square Garden in New York City.

10 of 15

PINK LADY

Jennifer Lopez, who recently took a walk on the wild side in Monaco, looks like the belle of the ball in Roberto Cavalli Couture at amfAR’s Cinema Against Aids annual gala at the Hotel du Cap in Antibes, France, on Thursday.

11 of 15

BABY BLUES

It's a mother-son shopping trip! Liv Tyler keeps a tight grip on 5-year-old son Milo while shopping in New York City's West Village on Thursday.

12 of 15

TAKE A STANCE

Nicole Kidman looks picture-perfect in a little black dress while arriving at a charity concert in Hong Kong on Thursday. Though far from home, the actress recently said she tries not to spend more than three days at a time away from husband Keith Urban and daughter Sunday Rose.

13 of 15

OGRE HERE!

Who's the real celebrity here? Mike Myers – with his onscreen alter ego, Shrek – celebrates the big green ogre's new star on the Hollywood Walk of Fame on Thursday.

14 of 15

TEXT MESSAGING

Though boyfriend Kellan Lutz isn't by her side, AnnaLynne McCord wears her heart on her tee while out and about in New York City on Thursday.

15 of 15

SAIL AWAY

Tea on the high seas? Sounds like the perfect recipe for relaxation for Lady Gaga, who takes a much-deserved break from her Monster Ball world tour on Thursday, kicking back with pals on a yacht in Saint-Tropez, France.