Star Tracks: Wednesday, November 17, 2010

01 of 15

EARLY (SONG) BIRD

Rihanna plays naughty and nice during a sexy performance Wednesday on Good Morning America, where she promoted her just-released album, Loud.

02 of 15

DOING THE BUMP!

Pink lets Ellen DeGeneres in on her happy little secret, revealing she's pregnant with her first child during a chat on the comedian's talk show on Tuesday. "I worked for it," the singer said of her baby-to-be with hubby Carey Hart.

03 of 15

CAMERA READY

Another day, another photo op! Anne Hathaway and Jake Gyllenhaal stick tight at a screening of their new film, Love and Other Drugs, Tuesday in New York.

04 of 15

A SPARKLING MOMENT

Bada-bling! Halle Berry dazzles even brighter on the red carpet – thanks to some Harry Winston diamonds – at the jeweler's Court of Jewels Recreation launch event in New York City on Tuesday.

05 of 15

HE'S TIGER-IFIC!

Look at Kourtney's little tiger! The eldest Kardashian sis and her mini music man, 11-month-old Mason, hit the streets of Manhattan on Tuesday.

06 of 15

HOLIDAY SHOPPER

Victoria Beckham is starting the holiday shopping early! The designer mom makes stop at the Ralph Lauren Polo boutique while out and about in New York on Tuesday.

07 of 15

STYLE TO SPARE

Channing Tatum and wife Jenna Dewan play happy hosts at the launch of GQ's special edition Style Manual at L.A.'s Confederacy boutique on Tuesday night.

08 of 15

SHADY LADY

Ashlee Simpson-Wentz works the angles while modeling a pair of stylish shades at the Solstice Sunglasses e-commerce luncheon event Tuesday in West Hollywood.

09 of 15

SCENT OF A WOMAN

Katy Perry boldly unveils her debut scent, Purr by Katy Perry, during one colorful appearance Tuesday in New York City.

10 of 15

TRAINING DAY

It's hard work to look this good! A buff Kellan Lutz is ready to ride Tuesday after a trip to the gym in North Hollywood, Calif.

11 of 15

JOE TO-GO

Costars Leighton Meester and Penn Badgley recharge with a coffee on the New York set of Gossip Girl Tuesday.

12 of 15

TRACK STAR

Keith Urban gives commuters a jolt Tuesday morning during a surprise performance at the Amtrak terminal in New York's Penn Station while promoting his new album, Get Closer.

13 of 15

BUSINESS CALLS

A dapper Nick Cannon hits the floor of the New York Stock Exchange, where he rang the opening bell to celebrate Global Entrepreneurship Week on Tuesday morning.

14 of 15

COFFEE CLUTCH

Lindsay Lohan steps out of the Betty Ford Center, where she is currently receiving treatment, for a caffeine break Tuesday in Palm Springs, Calif.

15 of 15

SMOOTH LANDING

Gerard Butler makes a cozy arrival – in a red knit cap and leather bomber jacket – at Los Angeles International Airport on Monday.