Star Tracks: Tuesday, April 13, 2010

Katy Perry makes a striking exit while grabbing coffee in New York Monday. The singer's BFF Rihanna recently revealed Perry plans to wed in India, where she and fiancé Russell Brand got engaged.

Hilary Duff leaves her mark at Good Housekeeping's "Shine On" celebration Monday – which marked the magazine's 125th anniversary – at the New York City Center.

Lady Gaga, in one of her outrageous outfits, stays on message Tuesday – check out that ink! – while arriving in Tokyo for upcoming concerts in Japan.

Philadelphia native Bradley Cooper returns to his hometown Monday, where he continued shooting scenes for his latest film, The Dark Fields.

Maggie Gyllenhaal hits all the right notes Monday as she arrives at the Metropolitan Opera gala premiere of Armida in New York City.

Jay-Z passes up on a sweet deal – chocolate! – while leaving New York City eatery Bar Pitti on Monday night.

Derek Hough gives fellow Dancing with the Stars pro Mark Ballas the thumbs up Monday at the album release of Ballas's solo CD, Waiting for Patience, at L.A. nightclub The Mint.

Someone's not afraid to show some skin! Tracy Morgan and his tummy greet the press Monday at the Death at a Funeral premiere in L.A. The comedy, which hits theaters April 16, also stars Chris Rock and Martin Lawrence.

Disney star Selena Gomez makes another trek to London Monday – this time at an HMV store to promote her newest European single, Naturally.

With a copy of The Week in hand, a cheerful Drew Barrymore enjoys her downtime (and the sunshine!) while walking the streets of New York on Monday.

Demi Moore, Susan Sarandon and Olivia Wilde do their part in the Artists for Peace and Justice post-earthquake relief efforts in Port-Au-Prince, Haiti, on Sunday.

This Aussie's in Hollywood to stay! Russell Crowe shows off his star on the Hollywood Walk of Fame during his induction ceremony Monday in Los Angeles.

With cuddly Sasha, 2, on dad's lap, Liev Schreiber and Naomi Watts watch a Caribbean polo match from their grassy perch in Barbados on Sunday.

It's in the bag! A giddy Reese Witherspoon – who’s been spending quality time with new guy Jim Toth – takes time out Monday to shop at the Ron Herman boutique in Beverly Hills.

Brothers amp Sisters star Dave Annable and fiancée Odette Yustman don special 3D glasses to watch the Masters tournament Sunday at the Time Warner Cable 3D event in New York.