Celebrity Inside the Celeb New Year's Parties! From Las Vegas to Miami, see how Paris & Nicky, Ashlee & Pete and more ushered in 2008 By People Staff Published on January 2, 2008 12:00 PM Share Tweet Pin Email Trending Videos 01 of 08 PARISIAN PARTY ENEWSBUZZ Paris Hilton toasts the New Year at LAX nightclub in Las Vegas with help from her sister Nicky – and surprising new pal Kevin Federline, who joined Paris in the DJ booth in the wee hours of 2008. 02 of 08 BUBBLY NEW YEAR Johnny Nunez/WireImage With a glass of champagne and a party at TAO nightclub in Las Vegas, Mariah Carey has everything she needs for New Year's – except a resolution. "I should have them, but I've already done them," she says, noting she reached her diet goals in 2007. 03 of 08 RAISE THE ROOF Seth Browarnik/WireImage Joining boyfriend Pete Wentz in the DJ booth at The Shore Club in Miami, Ashlee Simpson rings in the New Year at a party so packed the fire marshal had to turn people away. 04 of 08 'LAVIGNE' LAS VEGAS? Sara Jaye Weiss/ Startraks Not until the party's over! Avril Lavigne pops the bubbly at a New Year's Eve celebration at the newly opened Prive Las Vegas club at the Planet Hollywood hotel. 05 of 08 MUSIC OF THE NIGHT Alexander Tamargo/Getty Jennifer Hudson serenades the crowd – who paid up to $60,000 per table – with hits from Dreamgirls and a new song, "Happy Place," during a bash at Miami's Setai Hotel. The star, in a Donna Karan dress, told PEOPLE of her plans for 2008: "Singing is what I worked 17 years to do. That's what I dreamed of. And I get to do it this year." 06 of 08 ON FIRE Seth Browarnik/WireImage Here's to a bright New Year! Mandy Moore sends sparks into the air at a bash at Miami's Raleigh Hotel, where the singer partied poolside in a white cabana with friends. 07 of 08 HAVING HER CAKE Jordan Strauss/WireImage Pamela Anderson ushers in 2008 with a bit of sweetness – holding court at a party at Pure Nightclub in Las Vegas. Her plans for the New Year? "More excitement, more fun," the actress tells PEOPLE. 08 of 08 TOAST OF THE TOWN Michael Loccisano/FilmMagic Kid Rock and Reverend Run – in matching hats – lead revelers in a New Year's toast during a televised MTV party at the network's New York studio in Times Square. Later, the rocker continued the celebration at the Gansevoort Hotel, where he sat in the VIP area all night long.