Ashley Tisdale wears same cleavage-baring dress as Britney Spears

PUBLISHED: 11:04 EST, 8 June 2012 | UPDATED: 22:48 EST, 8 June 2012

Ashley Tisdale looked proud as punch as she strutted along the red carpet in Las Vegas last night in a hot pink frock.

But unfortunately for the former High School Musical star, the cleavage-baring, thigh-skimming look was not very original.

Who wore it better? Ashley Tisdale at the Mizumi opening in Las Vegas last night and right, Britney Spears on May 25

Daring: The Brian Lichtenberg dress features a sheer panel

In fact Britney Spears, 30, wore the Brian Lichtenberg dress for her first day as an X Factor judge on May 25.

Ashley's softly curled blonde hair was also worn in a similar style to the Toxic singer however she mixed up the look with beige shoes and a handbag.

Tisdale, 25, was attending at the grand opening of Mizumi Restaurant at the Wynn hotel in Las Vegas.

The Hellcats star was joined at the event by socialite Paris Hilton and Dancing With The Stars professional Cheryl Burke.

It's unclear if Paris bumped into her ex boyfriend DJ Afrojack, who was also ! at the e vent.

Meanwhile, Ashley is gearing up to return to the big screen again.

She been named as the replacement for Anna Faris for the forthcoming fifth installment of the Scary Movie franchise.

The Weinstein Company recently announced that the plan to release the film next year.

Party girls: Paris Hilton and Cheryl Burk also attended the event

Fitness queen: Ashley was seen leaving the Nine Zero One salon

Ashley Tisdale