Star Tracks: Wednesday, November 28, 2012

Mariah Carey brings the North Pole to New York City as she helps light up the Rockefeller Center Christmas tree on Tuesday ahead of the holiday spectacular.

Katy Perry and Selena Gomez shine bright while attending the UNICEF Snowflake Ball on Tuesday at New York City restaurant Cipriani 42nd Street.

How sweet! Prince William and Duchess Catherine – who recently debuted a retro new look – share a tender moment Wednesday while visiting the Cambridge Guild Hall in the U.K.

An animated Ashton Kutcher and Kaley Cuoco prove they've got team spirit while cheering on the Los Angeles Lakers Tuesday at the Staples Center, where despite the star support, the home team fell to the Indiana Pacers 79-77.

It's a sweet victory for Dancing with the Stars champions Tony Dovolani and Melissa Rycroft, who flaunt their mirror ball trophies Wednesday at Good Morning America's N.Y.C. studio after winning the show's all-star season.

Jennifer Lawrence stands guard with character Katniss's signature weapon on Tuesday while shooting scenes with costars Josh Hutcherson and Sam Claflin on the Maui, Hawaii, set of The Hunger Games: Catching Fire.

It's a mother-daughter day out for Pink and 17-month-old Willow, who hitches a ride on mom's hip Tuesday in Malibu, Calif.

Les Misérables costars Amanda Seyfried, Hugh Jackman and Anne Hathaway stay in harmony as they bring their film to Tokyo on Wednesday.

A beaming Sofia Vergara braves the snowy streets of N.Y.C. on Tuesday to film her latest project, Fading Gigolo.

After dishing on his wedding plans, Brad Pitt stays in the hot seat Tuesday during an appearance on Good Morning America in New York.

Gwen Stefani keeps her furbaby close at hand while stepping out with husband Gavin Rossdale in L.A. on Tuesday.

Sarah Jessica Parker proves pushing 3-year-old daughter Tabitha is a wheely good time Tuesday during a cheery walk around New York.

Following his Thanksgiving altercation with Gabriel Aubry, Olivier Martinez makes his way around L.A. on Tuesday with his injured hand under wraps.

Here's looking at you! Scarlett Johansson only has eyes for costar Benjamin Walker on Tuesday at an N.Y.C. photo call for their upcoming Broadway play, Cat on a Hot Tin Roof.

After sharing Thanksgiving with beau Bradley Cooper, a simply chic Zoë Saldana shows off her best side Tuesday while announcing the 2013 Independent Spirit Award nominations in Los Angeles.