Star Tracks: Thursday, March 31, 2011

01 of 16

IN HIS GRASP

IN HIS GRASP
X17

Are they reconciling? Separated spouses Ashlee Simpson and Pete Wentz get affectionate while grabbing their coffee fix with son Bronx, 2, at L.A.'s Beverly Glen Market Place Thursday.

02 of 16

SURF'S UP

SURF'S UP
Peter Brooker/Rex

ACM Award nominee Carrie Underwood goes Hollywood for the L.A. premiere of her big-screen debut, Soul Surfer, due in theaters April 8.

03 of 16

ANIMAL INSTINCTS

ANIMAL INSTINCTS
Ryan Miller/Getty

Drew Barrymore befriends a cuddly cub Wednesday while attending CinemaCon at Caesars Palace in Las Vegas, where the actress was on hand to present pal Cameron Diaz the female star of the year award.

04 of 16

GLASS ACT

GLASS ACT
Freddie Baez/Startraks

Jake Gyllenhaal maintains his cool in a trendy pair of Ray-Bans Wednesday while heading to The Daily Show to discuss his sci-fi thriller Source Code.

05 of 16

SHOE IN

SHOE IN
Ray Tamarra/Getty

After toting her son Louis around town, Sandra Bullock gives us a rare glimpse into her sole as she leaves her Manhattan home on Wednesday.

06 of 16

AWWW PAIR

AWWW PAIR
Goffredo Crollalanza/Pacific Coast News

He's in dad's hands now! Gavin Rossdale shares a tender father-son moment with his mini-me Kingston, 4, at a Los Angeles park on Wednesday.

07 of 16

HUE KNEW?

HUE KNEW?
Flynet

Just in time for spring, Hilary Duff lightens up her locks, debuting a sunny new hair color on Wednesday in Beverly Hills.

08 of 16

OH WHEELY!

OH WHEELY!
Humberto Carreno/Startraks

Liev Schreiber revs up his Vespa while taking Naomi Watts for a spin around New York City on Wednesday.

09 of 16

NO CHOKING MATTER

NO CHOKING MATTER
Sthanlee B. Mirador/Shooting Star

Kyle Richards playfully bares her claws at frenemy and Real Housewives of Beverly Hills costar Camille Grammer Wednesday during Bravo's upfront presentation at the Hollywood Roosevelt Hotel in L.A.

10 of 16

IT'S PANDA-MONIUM!

IT'S PANDA-MONIUM!
Martin Karius/Startraks

Making another swift exit, Taylor Swift chooses an adorable panda sweater while leaving London's Mandarin Oriental Hotel Thursday.

11 of 16

REAR 'VUE'

REAR 'VUE'
GF/Bauer-Griffin

Also in the U.K.: Vanessa Hudgens, who puts her back into it with another revealing gown – this time by Alberta Ferretti – for the premiere of Sucker Punch at London's Vue West End Cinemas Thursday.

12 of 16

CAR TALK

CAR TALK
GSI Media

Matthew McConaughey takes a break from his workout Wednesday for a car-side chat with a friend in Malibu, Calif.

13 of 16

TOO 'BAD'

TOO 'BAD'
Chris Delmas/Visual Press

Being bad never looked so good! Cameron Diaz hits Caesars Palace in Las Vegas Wednesday, where the Bad Teacher actress was named CinemaCon's female star of the year.

14 of 16

IN THE CUT

IN THE CUT
Alpha /Landov

Her signature style always makes the cut! After a dinner date in London, Kate Moss gets scissor happy at the opening of a Longchamp flagship store in Hong Kong Thursday.

15 of 16

FIGHT NIGHT

FIGHT NIGHT
Bill Davila/Startraks

Dwayne "The Rock" Johnson and Nicole "Snooki" Polizzi keep the peace during a press conference in New York Wednesday for WrestleMania XXVII, where the Jersey Shore star plans to re-enter the ring.

16 of 16

OUT OF THE GATE

OUT OF THE GATE
James Devaney/WireImage

Maybe she's going to celebrate? Lindsay Lohan steps out in New York Tuesday, the same day a court decided not to charge the actress for allegedly assaulting a Betty Ford Center employee.

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