Diddy. Mr. Combs. Puff Daddy. Sean Jean. P. Diddy. No matter how many times he changes his name, one thing remains the same: Sean “Diddy” Combs knows how to throw a party. And party he did as the famed music mogul, fashion designer and actor lived up to every expectation, taking Sin City by storm and creating the biggest and most lavish party for New Year’s Eve 2011 at LAX Nightclub inside the Luxor.

New Year’s Eve at the Palms brought out celebrities to help ring in the new year. Jared Leto, Shannon Leto and guitarist Tomo Milicevic’s of 30 Seconds to Mars delivered their explosive sounds and rocked into the 2011 in the Pearl at the Palms.

The grand opening weekend of the Cosmopolitan of Las Vegas kicked off Thursday night with the debut of Marquee Nightclub and Dayclub, where famous faces toasted the new venue.

Professional skateboarder Ryan Sheckler celebrated his 21st birthday at Moon Nightclub inside the Palms on Thursday. Sheckler was treated to surprise performances by Snoop Dogg and LMFAO, who performed their hit song “Shots.”

Perhaps the biggest resolution anyone makes is to get back in shape in the new year. Make this year a little different by sticking to your resolution at one of these fitness center located all across the Las Vegas Valley.

Planning to ring in the new year with a special meal. The restaurants in Las Vegas has pulled out all the stops with delicious menus, live entertainment and Champagne to boot to help you get 2011 started on the right foot. Take a look at these special menus at 45 restaurants on the Strip put together especially for the big countdown.

The hubbub on the Strip gets going around 6 p.m. on New Year’s Eve when police barricade Las Vegas Boulevard from traffic and revelers spill out on the streets to prepare for the countdown. Then at midnight, fireworks explode from the rooftops of seven casinos, including the MGM Grand, Aria, Planet Hollywood, Caesars Palace, Treasure Island, the Venetian and the Stratosphere. But that’s just the party if you don’t have the ticket. Check out these great New Year’s Eve shindigs in Las Vegas. Call fast and you can still get in on the celebrity sightings.

Try to get a room on the Strip? Spend hundreds to rub elbows with a celebrity? We have something a little more calm for your new year’s celebrations. Forever Resorts is holding “Cruise in 2011” houseboat package, perfect for those looking for an extraordinary way to usher in 2011.

You don’t have to wait until the clock strikes midnight to start on your new year’s resolutions. Head over to the Spa & Salon at Aria at CityCenter Dec. 28-30 for expert tips and complete transformations that will help you start the new year off right.