Cheryl Cole

Cheryl Cole

Cheryl Cole enjoyed a special dinner in Las Vegas with pals including Girls Aloudbandmates Kimberle Walsh and Nicola Roberts on Saturday to celebrate her 29th birthday.It was diffcult to tell who was Cheryl in a picture Tweeted by Nicola as guests all woreCheryl Cole masks.But the birthday girl wore a strapless floral play suit for the celebration and her hair in an up-do.Black Eyed Peas star Will.i.am is also in Sin City and Cheryl partied at XS nightclub where he was a guest DJ.