Canadian singing sensation, Justin Bieber performs at the window from the first floor of the Universal building in Paris for the fans who couldn’t come to his private shows.

Mary-Kate Olsen is photographed entering a warehouse in North London, wearing all black, heeled boots and dark sunglasses.

Lindsay Lohan, fresh back from a trip to London, dropped by to see her ex Samantha Ronson dj at Bardot Night Club in Hollywood.

Yankees star Alex Rodriguez is sighted walking in the hallway outside the Yankees Locker Room at Steinbrenner Field, the spring training home of the New York York Yankees in Tampa, Florida.

After some not-so-great reviews, Whitney Houston gives it her all, performing live in concert at the Acer Arena in Sydney, Australia.

Rihanna wraps up against the cold when arriving at Heathrow airport in London, UK.

Shenae Grimes looks trendy on the pink carpet, while hosting the LEI Model Citizen Contest at UCLA in Los Angeles, CA.

‘Octomom’ Nadya Suleman is loving the limelight, photographed out and about while visiting New York City.

Kylie Minogue, looking hot in red animal print, attends the press night for Miss Polly Rae, The All New Hurly Burly Show in London, England.

Nicole Richie poses in a long, deep purple dress at the launch of the ‘Winter Kate’ collection at Galeries Lafayette in Paris, France.

Hilary Duff still seems to have that ‘newly engaged glow’, walking back to her SUV after her morning workout at a private gym in West Hollywood, CA.

Courtney Love turns up on the red carpet at the Shockwaves NME Awards 2010 at Brixton Academy in London, England.

While ex-husband Charlie Sheen visits rehab, a smiling Denise Richards heads to lunch after dance class with a friend.

Julianne Moore is letting the rain dampen her style. The fashion icon was spotted out in New York’s West Village wearing rubber boots!

Angelina Jolie continues working on “The Tourist” in Paris.

Jesus Luz emerges from the waves in Rio de Janeiro.

Prince Michael Jackson has another karate lesson.

Paris Hilton looks perfect in her fedora.

There’s too many choices! Selma Blair looks a bit overwhelmed while shopping at GAP 1969 jeans.

Eve gets spotted in Beverly Hills.

Lily Allen looks innocent at the 2010 NME Awards.

Pitbull plays dominoes in Miami’s Domino Park in Little Havana.

Michael Kors and his boyfriend soak up the sun.

Chace Crawford and Penn Badgley work on an upcoming episode of “Gossip Girl”.

Kelly Rutherford uses a colorful umbrella on the set of “Gossip Girl”.

Kate Beckinsale shops with her daughter Lily at Gap 1969 jeans.

Jeremy Renner gets spotted in LA.

Agyness Deyn shows off her edgy style at the 2010 NME Awards.

Jayde Nicole was ‘boy crazy’ while out on the town with girlfriends!

Joe and Nick chat as they take a hike on the Calabasas Hills in Los Angeles!

Seth Green took girlfriend Candace Bailey to the Tarina Tarantino Beauty Launch party at a private venue in LA.

Matt Damon and Luciana had a fun night out in NYC and took in the Black Eyed Peas concert at Madison Square Garden!

Lady Gaga gets down during her sold out show at the Liverpool Arena!

BOOM BOOM POW! Fergie gets the party started at Madison Square Garden!

Melody Thorton of The Pussycat Dolls makes her own tasty creation at Millions of Milkshakes!

Model, designer, and George W.’s niece, Lauren Bush gets spotted after grabbing a couple items at Rite Aid in NYC’s West Village.

Kristin Cavallari flashes a smile and seems pleased with the purchases she made at a Los Angeles Diesel store!

‘Dexter’ star Julie Benz was a bag lady while out shopping in Beverly Hills!

We know it’s you! Boy George tried to go unnoticed as he left a show in London’s Leicester Square.

Designer Zac Posen, with Rose Byrne, is well suited at the cocktail launch party of his new collection, Z Spoke which is exclusive to Saks Fifth Ave.!

Billy Baldwin and Blake Lively film scenes for ‘Gossip Girl’ in Midtown Manhattan!

Happy couple Reggie Bush and Kim Kardashian don’t let a little rain get them down!

Rebecca Romijn and Debra Messing have a laugh while shopping together at the new GAP 1969 Jeans store in Beverly Hills!

Frankie Delgado and his broseph Brody Jenner head out to Playhouse nightclub for some fun with the boys!

Before hopping into her car, Kelly Osbourne stops for quick pic on her way out of Katsuya!

Expectant mother, Bethenny Frankel keeps it comfortable on her way to the Wendy Williams show in NYC!

Hilary Duff shows off her HUGE sparkler at Los Angeles International Airport.

Angelina Jolie gives little Pax a big hug on the set of “The Tourist”.

Matching mommy! Kourtney Kardashian wraps up little Mason with a blanket that matches her shirt.