SPOTTED!

Jackson Rathbone from the blockbuster film, Twilight celebrated his birthday at The Bank Nightclub at Bellagio, while in Sin City with his band 100 Monkeys. The actor, who began his career as a DJ, was swarmed by Twilight fans but happily took photos and signed autographs for all, before leaving at the end of the night.

The next day he continued his b-day celebration at JET Nightclub at The Mirage, where Ray J was hosting a party.  The R&B singer turned reality-tv-star was greeted by a gaggle of girls waiting at his VIP table near the DJ booth following an intimate steak dinner at FIX with friends.

Lindsay Lohan attended Saturday’s New York Rangers/Islanders Game at Madison Square Garden in NYC, with her brother Dakota, sister Ali and friend Jackie Swerz. The game went into overtime and she was getting pretty into it — sporting a Rangers hat and cheering them on.

Kelly Clarkson wore her vintage Tide "Loads of Hope" tee and a santa hat as she lends a hand at the Tide "Loads of Hope" truck in New Orleans.

World Child Project held a fundraiser at MyHouse in Hollywood to raise money for orphaned and abandoned children in the most extreme poverty throughout the world. Bob Saget hosted an auction to benefit the project, while James Van der Beek, Beau Garrett, Lance Bass and former president of eBay, Jeff Skoll, attended.

The Gap Cheer Bus and the kids from the popular television spot, spread holiday cheer across Los Angeles starting with a dance tutorial for Mario Lopez on the set of Extra!  Later in the day, the Gap Cheer Bus pulled up to Tori Spelling and Dean McDermott's home to teach the family, including their children Liam and Stella,, the moose dance from the Gap commercial! Mario and Tori, as well as her family, also got to pick out some Gap holiday must-haves including trapper hats, scarves, plaid shirts and jeans from the 1969 Premium Jeans collection.

Burlesque co-stars Christina Aguilera and Kristen Bell drinking Grey Goose cocktails while chatting at a holiday party at a friend's Hollywood home.

P. Diddy celebrating the official launch party for his latest album Last Train to Paris at the Borgata Hotel Casino & Spa’s Club mur.mur in Atlantic City.

Travis Barker and Dave Navarro performing at the Camp Freddy and Friends by Onitsuka Tiger concert at The Roxy in LA”.

Brothers & Sisters’ Gilles Marini ordering a Fake Bake Men’s Kit (which includes Scrub, Bronzing Gel, and Shave Gel) and Fake Bake Mousse.

Dancing with the Stars’ Samantha Harris getting her hair colored by The Parlour on 3rd’s Essly Powell.

Julia Roberts sipping a Café Bustelo Cool playing charades at a LAByrinth Theater event sponsored by Mike’s Hard Punch in NYC.

Kanye West and girlfriend Amber Rose getting a signature couple’s massage by the Cygalle Healing Spa in the privacy of their villa at Casa de Campo in the Dominican Republic.

Katrina Bowden shopping at the Under Armour Pop-Up Shop launch party in NYC.

Kristin Cavallari having dinner at One in L.A.

Mischa Barton at POP Beauty's Get Lashed! Lash Shop launch at What Goes Around Comes Around in NYC.

Ryan Gosling DJ'in at Bardot Hollywood with his best friend and Dead Man's Bones partner Zach Shields.

Annalynne McCord at PRVCY Premium's Hollywood event to celebrate the launch of PRVCY book Lives Inspired.

Whatcha Say singer Jason Derulo at the opening of Amnesia in NYC.

Taylor Lautner at Matsuri in NYC post hosting Saturday Night Live.

Seth MacFarlane hosting a holiday soire at his West Hollywood home to celebrate Family Guy: Something, Something, Something Dark Side on DVD.

Alicia Keys at the celebration of W London Leicester Square.

Adam Lambert at FloRida's Jingle Ball after party at Opium Hard Rock in Hollywood, Fla.

Lo Bosworth with friends at The Pool nightclub at Harrah's Atlantic City.

Stephen Colbert at The Colonial in Chicago during Second City’s 50th Anniversary.

Julie Bowen hosting a mini social charity shopping event in L.A.

Sum 41's Deryk Whibley at Camp Freddy & Friends show presented by Onitsuka Tiger at The Roxy in West Hollywood.

Sal Masekela and David Beckham with his sons at Venice Skatepark.

Paranormal Activity’s Katie Featherston at The Rebecca Jewelry Fundraiser for the American Heart Association at Fred Segal in Santa Monica.