Star Tracks: Wednesday, March 16, 2011

01 of 15

ALL THAT GLITTERS

ALL THAT GLITTERS
Kika Press/Pacific Coast News

Taylor Swift lights up the stage in a sparkling mini Tuesday while performing at Milan's Mediolanum Forum as part of her Speak Now world tour.

02 of 15

FINGER LICKIN' GOOD

Image
X17

Kourtney Kardashian and 14-month-old Mason step out for a little mommy-and-me time in Beverly Hills, Calif., on Tuesday.

03 of 15

RED HOT

RED HOT
Steve Granitz/WireImage

Pucker up! Christina Aguilera blows kisses to reporters Tuesday while attending a press conference for NBC's The Voice in L.A. The singer will serve as a coach on the musical competition series, set to debut April 26.

04 of 15

HOT WHEELS

HOT WHEELS
Limelight

She's no lone rider! Vanessa Hudgens gets a lift from Journey 2 costar – and rumored new beau – Josh Hutcherson Tuesday in Studio City, Calif.

05 of 15

DRAMATIC FASHION

DRAMATIC FASHION
INF

Holy slit! Proud mom Celine Dion returns to the stage at Caesars Palace in a dramatic thigh-popping dress Tuesday during the opening night of her Las Vegas show.

06 of 15

TAKE IT OFF!

TAKE IT OFF!
National Photo Group

Now he's just teasing us! Kellan Lutz (who just turned 26) gets undressed at a security checkpoint while preparing for takeoff at Los Angeles International Airport on Tuesday.

07 of 15

PUPPY LOVE

PUPPY LOVE
Ramey

Ryan Seacrest takes a backseat to girlfriend Julianne Hough's King Charles spaniel Lexi as the two take the pooch out for a stroll in New York on Tuesday.

08 of 15

FUR REAL

FUR REAL
INF

Mary-Kate Olsen keeps warm with a furry headpiece and oversized scarf Tuesday while heading out in New York City.

09 of 15

ADULT SWIM

ADULT SWIM
Paul Hiffmeyer/Disneyland

Eva Longoria celebrates her 36th birthday with a trip to Anaheim's Disney California Adventure Park on Tuesday, where she checked out the new Little Mermaid: Ariel's Undersea Adventure attraction, opening June 3.

10 of 15

THE MONEY HONEY

THE MONEY HONEY
Slaven Vlasic/Getty

Supermodel, America’s Top Model host, Harvard coed…and now Internet mogul? Tyra Banks launches her new fashion website, TypeF.com, at the New York Stock Exchange on Tuesday.

11 of 15

DOUBLE TROUBLE

JUSTIN BIEBER
Gareth Cattermole/Getty

Who's got Bieber fever now? The teen star buddies up to his look-alike during his wax figure unveiling at Madame Tussauds in London on Tuesday.

12 of 15

HOW APP-ROPOS

HOW APP-ROPOS
Dominic Chan/WENN

A radiant Mandy Moore gets busy spreading some L-O-V-E Tuesday in Toronto at the launch of the Virgin Mobile Love Button, a Facebook app that lets you "love" something when "like"-ing just isn't enough.

13 of 15

WALK HARD

WALK HARD
Flynet

Katie Holmes looks well heeled strolling through Manhattan after a day of photo shoots for her clothing line, Holmes amp Yang, on Tuesday.

14 of 15

HELPING HAND

HELPING HAND
Sara Jaye Weiss/Startraks

After stepping out for a festive costume party over the weekend, it's back to business for Vanessa Minnillo, who teams up with March of Dimes and Bayer to launch the Girlfriends for Folate campaign in New York on Tuesday.

15 of 15

ON THE RUN

ON THE RUN
X17

Reese Witherspoon leaves her workout buddy – fiancé Jim Toth – at home for a solo jog Tuesday in L.A.

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