Spotted!

Jan. 4 2011, Published 5:59 a.m. ET

Disney stars Bella Thorne, Adam Irigoyen and Zendaya stopped by Sugar Factory at Miracle Mile Shops inside Planet Hollywood Resort & Casino on Thursday night.

Ke$ha celebrating NYE at Matt Levine's NYC hotspot, The Eldridge, drinking Grey Goose straight from the bottle, dancing to DJ's Louie XIV & Silver Medallion.

Gabrielle Union, Sanaa Latham, Dule Hill and Vivica Fox celebrating NYE with bottles of Corona Light at a private party in South Beach.

Grammy Award-winning singer Estelle celebrated her New Year's Eve as the master of ceremonies, handling the official countdown to midnight at Tryst Nightclub in Las Vegas. Estelle rushed to the stage to announce the guests into 2011 then quickly broke into her latest single “Freak” that got the packed dance floor grooving into the new year on the right foot.

On New Year’s Eve, Chelsea Handler went out with a "bang" this New Year's Eve at Mohegan Sun as she took the stage at the arena for the last show of the year. After her very special New Year's Eve performance, the leading laughing lady rang in the New Year at Mohegan Sun's Ultra 88 nightclub with her favorite vodka, Belvedere.

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After performing at Times Square on New Year's Eve during the ultimate boy band collaboration, Donnie Wahlberg packed up his bags to head down and host the 1st party of the year at Mohegan Sun's Ultra 88 nightclub. Not only did he pack his bags, but he also packed bus loads of screaming lady fans to follow him down there from New York City. Surprise guests who attended the bash were Dancing With The Stars' Tony Dovolani and Naughty By Nature; who surprised the crowd with an old-school performance.

Mark Salling spotted doing some pre-New Years Eve shopping at the GUESS store at the Forum Shops at Caesars Palace in Las Vegas on December 31.

Kelly Killoren Bensimon working out on a stationary bike for the New Year at the FRS Fuels NYC Trucks and she shares with OK! her New Year’s Resolution is “to be a better listener and that this is the year for love!”

Jennifer Lopez and gal pal Leah Remini doing some last minute New Year’s Eve shopping at the GUESS by Marciano store at the Forum Shops at Caesar’s Palace on December 31. The duo’s presence created such a mob scene that shopping center’s security was called in and the store needed to be temporarily closed so the ladies could shop the latest styles.

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Jason Derlo, who was a featured performer on ABC’s Dick Clark’s Rockin Eve surprised the crowd at Borgatas MIXX and mur.mur when he joined friend DJ D.Nice to ring in 2011 at Atlantic City’s premiere nightclubs. Derlo wowed the sold-out clubs performing his triple platinum hit “Whatcha Say” and “Love Hangover”.

John Mayer hanging out with three pals at the Clift hotel's Redwood Room in San Francisco on December 26. Mayer sipped on a Blackberry Martini and indulged adoring fans by posing in some photographs.

Michael C. Hall and a guy friend catching up over lunch at Asia de Cuba on December 28. Hall, sporting a full beard and baseball cap, sat outside near the windows with his friend for a quick bite and a couple lemonades.

Jared Leto reading GQ while on a Virgin America flight from Los Angeles to NYC.

Music man Clive Davis spotted dining at the new hot spot restaurant The Royal at The Raleigh Hotel in Miami Beach.

Giuliana Rancic gave Taio Cruz a friendly peck on the lips right as the ball dropped, and just after he sang "Imagine" on the Nivea Kiss platform-- her loving husband Bill was right by her side and didn't seem to mind. Hey afterall, everyone needs a midnight smooch!

Mario Lopez tweeted “Me giving Gia a bath last night. As you can see, she’s covering her chichis. Good girl.” of his new daughter Gia in her Puj tub.

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Diddy celebrated New Year’s Eve at club LAX in Las Vegas with guests munching on Trident Vitality gum at the stroke of midnight.
Boyz II Men member and NBC’s The Sing Off judge Shawn Stockman took his family to see Disney’s The Lion King at Mandalay Bay last night. After the show, Stockman took his family backstage where they had the opportunity to meet cast members Buyi Zama, Rafiki, and Jelani Remy, Simba. His children ran with excitement to hug Zama in her baboon shaman costume. The youngest child, Brooklyn, could not stop staring in awe at Remys elaborate Simba mask.

Rebecca Romijn and Jerry O’Connell spent a relaxing holiday vacation sans twins in a jungle villa at the Tides Riviera Maya in Mexico. During their trip, they enjoyed massages, local Mexican food and drank Tequila at the resort’s Tequila Bar. The couple spent their days at the beach and toasted the New Year with more tequila at the resort, celebrating with family and friends.
Far East Movement toasting with TY KU Sake in between filming scenes for their new Rocketeer video in Los Angeles on January 4.

American Idol judge Randy Jackson and his family spent the Christmas holiday (December 22-29) at the award-winning Cabo San Lucas resort, Esperanza Resort. The family enjoyed some quality time by the pool, on the resort's private beach and also took part in Esperanza's weekly Mexicanismo celebration -- a fun and casual dining experience featuring authentic Mexican cuisine, live mariachi music, hand-made crafts and a fireworks display on Thursday nights.