Paris Hilton filming steamy scenes for a video of her debut album Stars Are Blind. Photo Credit: Cliff Malia Sobel

She may have vowed to stay celibate for a whole 12 months, but it seems that one thing hotel heiress Paris Hilton hadn't counted on before she made her pledge, was her raging sex hormones.

And, it seems that abstinence played such havoc on her system that the'Stars are Blind'singer broke her vow after just 21 days --indulging herself with BLINK 182 drummer Travis Barker-- who split from his wife only two months ago.

The pair reportedly couldn't keep their hands off each other when they met at a party at Pure Nightclub in Las Vegas last week, and started "making out" on one of the VIP beds at the club itself.

"Before long they were making out on one of the VIP beds. They were groping and grinding with their clothes on. All her friends and her sister Nicky were there, just looking on stunned," The Sun quoted a source, as saying.

The pair then headed for strip club Spearmint Rhino where their"steamy show"in the limo was reportedly more "sizzling" than a lap dance.

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