Party with Kim Kardashian

No Doubt is back after being on break for five years. The band is taking the reverse route and going on tour to be inspired to write new material. The bands first concert from their official world tour began at the Borgata Hotel Casino and Spa. Gwen Stefani's son Zuma was spotted front row cheering his mom with big, blue headphones.

The official concert after party took place at club mur.mur where stars like Shannen Doherty were seen rocking out to their music. The highlight of the night was when Gwen graciously took a ride on a bodyguard's back to get to her table.

Another big party of the week took place in Sin City when Brooke Hogan turned 21. Brooke was joined by her brother Nick Hogan, father Hulk Hogan, his new girlfriend Jennifer McDaniel and 13 guests. The night began at Wolfgang Puck’s Spago at Caesars Palace and continued at club PURE.

The big surprise of the night was when the Pussycat Dolls came out to the PURE stage to help lead the crowd in singing happy birthday to Brooke. Hulk Hogan then welcomed everyone by exclaiming, "I think there are a couple of PURE maniacs in here!" and introduced Brooke's new single.

Brooke danced and sang along to her song, yelling "I love my birthday!" while the crowd cheered and danced along as well. Brooke was spotted dancing with her father and his new girl throughout the night.

Speaking of Las Vegas, other hot parties included a wild bash at club TAO with Jay Z and P Diddy. Sources tell Hollyscoop that "the club was so packed there was no room to walk." That’s what happens when you have two moguls under one roof. Speaking of Tao, Wilmer Valderamma was also spotted at the sister club LAVO celebrating Cinco De Mayo. Can you say Moi Caliente?

While we're in Vegas, here is the scoop on sultry Carmen Electra’s “Wet” birthday. The actress celebrated her birthday and hosted the launch of Day Life Sundays at Wet Republic. Carmen was joined by her fiancé Rob Patterson, who also rocked the turntables as a guest DJ. While Patterson manned the decks he gave his girl a personal shout out, addressing the crowd to wish Carmen a "Happy Birthday! From me to you.. I love you!"

At Prive, Ashanti took over the clubs "We Rock Hip Hop" party with a special surprise performance of several of her hit songs. Ashanti hit the DJ booth at 2 a.m. and performed to a packed room.

Stars coming out for a good cause. Ciara, Adrienne Bailon, among others came out to check out a performance by Vanessa Carlton and Bianca Ryan at the Operation Smile’s 2009 Smile Event. The charity helps children one smile at a time.

Loose Talk: Leo DiCaprio and buddy Kevin Connelly spotted chatting it up at Bardot lounge in Hollywood. Lance Bass celebrated his 30th birthday at 1OAK with friends, family and SVEDKA Vodka cocktails. Johnny Knoxville spotted playing with Nintendo's new DSi at the DirecTV Tribeca Film Festival Press Center. Members of the Dave Matthews Band and friends celebrated the birthday of bassist, Stefan Lessard inside Playboy Club. Actor Clifton Collins of the new Star Trek movie spotted at Ghostbar for the launch of BANG! a rock night. Rehab is for quitters. “Girls Gone Wild” founder Joe Francis hit the day pool Rehab where DJ Vice was entertaining the crowd with the coolest beats.

Nicky Hilton and Jessica Lowndes joined Paige Premium Denim designer, Paige Adams-Geller and OPI creator Suzi Weiss-Fischmann for the launch of their new collaboration BrightPair. Benji Madden spotted taking over the turntables at Wasted Space in Las Vegas where Supercross star Chad Reed, Tony Hawk and Caprice were also spotted in the crowd.

Professional skateboarder Ryan Sheckler spotted at N9NE Steakhouse inside Palms Casino Resort. SVEDKA Vodka hosted the 8th Annual "Spring Fling" at the rooftop of the Gramercy Park Hotel in NYC. Partygoers included Orlando Bloom and girlfriend Miranda Kerr, Ed Norton, Ashley Olson, Kate Hudson, Goldie Hawn, Tom Brady, Gisele Bundchen, Jessica Alba, Liv Tyler, Kate Bosworth and Molly Sims, among many others.

Ashley Tisdale spotted at Los Angeles Dodgers-San Diego Padres game at Dodger Stadium. Ashley sat in the Dugout Club with her boyfriend and other friends and family. Cedric the Entertainer, Lisa Rinna and Harry Hamlin, Jermaine Dupri, Gene Simmons, Karina Smirnoff, Kathy & Rich Hilton spotted at the L.A. Confidential bash for the May/ June issue at XIV.

Larry King stopped in with a group to dine at Society Cafe at the Encore hotel.

Oscar winner and True Blood star Anna Paquin spotted at Tabu Ultra Lounge at the MGM Grand hotel.

Hugh Hefner and ex girlfriend

Spring is officially here and the stars have come out of hibernation. It was celebration this weekend as TV star Michael Imperioli was spotted partying at club TAO, while Emmy nominated actress Jenna Fischer from “The Office” was spotted enjoying dinner at Strip House and partying at Prive with family and friends.

Playboy Playmate Sara Underwood celebrated her 25th birthday in style at Tabu Ultra Lounge in MGM Grand.

Back in Los Angeles, Queen Latifah brought U-N-I-T-Y with some of the biggest stars in Hollywood. The party sponsored by Cover Girl Queen Collections brought out Paris Hilton, her ex-BFF Kim Kardashian, Lil Kim and Lindsay Lohan among others. Queen Latifah even ended the star studded night with a special performance!

Speaking of performances, Mark McGrath entertained the crowd at "Wasted Space" at the Hard Rock Hotel in Las Vegas while across the hotel rapper Pittsburgh Slim and Fonzworth Bentley put on their own show at “Body English.”

Special props to the Hard Rock Hotel & Casino, who turned off the exterior lights, including the property’s iconic guitar, to help raise awareness about climate change during Earth Hour 2009.

Back to la la land, where the big talk wasn't the environment, but films. Mary Kate Olsen helped celebrate the NY Line-up for the Tribeca Film Festival 2009 at the W Hotel and Residences in Hollywood. Andy Garcia and Aaron Yoo also attended to show support.

Across town, Entourage star Adrian Grenier was spotted without his entourage at club Bardot in Los Angeles while E! The Daily Ten's cast celebrated their 3 Year Anniversary Celebration at ADCB lounge at the Mondrian hotel. That's the party roundup from Hollyscoop!

TAO Las Vegas relocated to Park City, Utah at the Sundance Lift for the 25th Annual Sundance Film Festival this past week. And with so much star power, it was the hottest lounge to be at!

Paris Hilton partied there every single night this past weekend, even enjoying a few drink with good pal Aubrey O'Day.

Sting stopped by with his gorgeous wife Trudie. Mekhai was there with his girlfriend, dancing and partying it up.

Danny Masterson was joined by his brother Chris on the turntables. Robin Thicke had had a few and screamed "lets party!" when he arrived with wife Paula Patton.

Casey Johnson and Courtenay Semel are officially back together and made it very public.

Guests like Ashton Kutcher, Woody Harrelson, Slash, Ian Ziering and Sting enjoyed Stella Artois, while other partygoers sipped on absinthe cocktails by Le Tourment Vert.

The party usually went on until the wee hours with the lounge reaching capacity every single night. Some celebs were practically begging to get in, so you know it was a great party!

Photo credit: Marion Curits/Starpix

Kick off the New Year with reality shows hottest sisters--the Kardashians. Join Kim Kardashian and her sisters Kourtney and Khloe in Las Vegas at LAX nightclub as they countdown to midnight. Maybe you'll score a special New Years kiss!

For $150, you can score a general admission, which includes Complimentary Champagne Toast, NYE Party Favors. Or if your pockets are really deep and you can spare $1,650, that'll get you: 4 Admission Tickets with VIP Entrance, 2 Bottles of Belvedere Vodka, Personal Service Team including Security Guard, Waitress & Porter Mixers, 6 Red Bulls, 6 Fiji Waters, and NYE Party Favors.

You can either book tickets online at www.purelv.com or you can call 702.262.4400. Happy New Year!

LAX
3900 Las Vegas Blvd South
Las Vegas, NV 89119
702.262.4400