Nicole Scherzinger Turns 34: Pussycat Doll Dazzles in Backless Dress during Birthday Party

All eyes were on former Pussycat Dolls singer Nicole Scherzinger during her birthday party at the Tao Nightclub at The Venetian Resort Hotel Casino in Las Vegas, on Saturday.

The X Factor UK judge will turn 34 on 29 June and looked dashing in a glittery Haute Hippie dress combined with Norman Silverman bangles, a Loree Rodkin ring and matching gold Giuseppe Zanotti heels.

Scherzinger also took to micro blogging site Twitter to share her excitement.

"Having a blast @taobeach and can't wait to celebrate with all of you guys tonight @taolasvegas with @djvice!" Scherzinger tweeted.

Meanwhile, the birthday girl received a wonderful surprise from Herbal Essence - a brand she endorses - a four-tier red velvet cake decorated with tropical accents and cherry blossoms. The hair care company also gifted her with an Alexander McQueen baby pink leather clutch with quilted detail and gold accents.

The singer was clearly enjoying herself, as she posed for photographs and played around with mustache glasses, dancing to the music with friends and family.

"What's up Vegas? Thank you so much for coming to celebrate my birthday. Let's give it up for my boy, DJ Vice!" Scherzinger said on the microphone after the DJ led the nightclub in Happy Birthday and presenting the singer with yet another cake!

It turned out to be a very busy day for the Men in Black 3. She was spotted earlier in a zebra print Vix bikini with an elaborate kaftan and jeweled Deepa Gurnani headband. That was teamed with gold Giuseppe Zanotti heels for a poolside party at Tao Beach. Nicole's friends and family, including actors Hill Harper and Quinton Aaron, as well as her cousin Meleana Brown, were present. However, her boyfriend Formula 1 racer Lewis Hamilton of McLaren was missing. He had the little matter of competing in the European Grand Prix, held on the streets of the Spanish city of Valencia, to attend to.

The year has proven to be a good one for Scherzinger. She signed on as a permanent judge for the ninth season of X Factor UK, with Louis Walsh, Gary Barlow and Tulisa Contostavlos and also landed a role in the film Men in Black 3.