Ke$ha sings from Santa's shoulders at Dick Clark's New Year's Rockin' Eve 2011 in Times Square, New York City.
Awkward! Anderson Cooper looks a little uncomfortable while hosting CNN's New Year's 2011 show with Kathy Griffin in New York City.
Kourtney Kardashian is elegant in a flowing, off-the-shoulder satin gown, hosting Ciroc's The New Year in Miami Party at the Gansevoort Hotel in Miami, FL.
What's at the end of the rainbow? Nicky Minaj! The rainbow-haired singer hosts All Pink Everything New Year's Eve Bash at Mansion in Miami, Florida.
Kim Kardashian looks fabulous on the red carpet, ringing in the New Year at Tao Nightclub at The Venetian in Las Vegas, NV.
Jenni 'JWoww' Farley's outfit leaves little to the imagination at MTV's 'New Year's Bash 2011' at the MTV Times Square Studios in New York City.
Couple's work out! Reese Witherspoon goes for a jog with fiancee Jim Toth, along Santa Monica's Ocean Side Park.
Ashton Kutcher looks like he's having fun on his vacation, jet skiing in St Barts.
Demi Moore enjoys her vacation with hubby Ashton Kutcher, taking a little shopping trip in Gustavia, St Barts.
John Stamos and the Beach Boys perform at the Hard Rock Live in Hollywood, Florida on New Year's Eve at the Seminole Hard Rock Hotel and Casino.
Geri Halliwell models one of the bikinis in her new clothing range, 'Geri', for next Spring/Summer 2011.
Leona Lewis performs on the beachfront stage at the 'New Year's Jam on the Sand' in Miami Beach, in a strapless pink mini with a long pink cape.
Usher unzips his jacket and the crowd goes wild during his New Years Eve concert at American Airlines Arena in Miami, Florida.
Hot mom Denise Richards looks great in a green bikini while on the beach with her daughters in Maui.
Kim Kardashian arrives at the Burbank Airport in style to party for New Year's Eve!
A sexy and shirtless Matthew McConaughey goes for a jog down the beach in Brazil.
Howie Mandel and Goofy strike a pose!
Kourtney Kardashian shows off her adorable post New Year style while leaving her hotel in South Beach.
Rapper Ice Cube gets lei'd while arriving in Maui!
Bar Rafaeli shows off her hot body while attending a party thrown by Cindy Crawford as the group vacations in Mexico.
Ronnie Wood and Brazilian girlfriend Ana Araujo enjoy a run on the beach in Uruguay.
Jason Statham and Rosie Huntington Whitley enjoy their holiday in St. Barts.
Awww.... Hugh Jackman gives wife Debora-Lee Furness a kiss while playing in the snow with their french bulldog Mochi in New York City.
Hot Photos Of January 4, 2011