
Our friends at OfficialImage.com caught the "Hellcats" star takin' a dip at Wet Republic at the MGM Grand ... right around the time Avril Levigne was celebrating her 26th birthday.
FYI -- Avril was sans her kinda-sorta-maybe boyfriend Brody Jenner.

The bottom would be better if it had the same straps as the top. I am so, so glad she hasn't gotten implants to ruin that perfect little body.
It looks like she's wearing her underwear. Well, at least, she doesn't have big fake boobs, tattoos, and body piercings as far as I can tell! But, she ought to tone down the skanky behavior or nobody will respect her, including that guy she's with.
Hey,are all you posters about fourteen or are you pedophiles?? She doesn't have ANY BODY. She looks like she's either in the 8th grade or about forty. Strange,it's true,but take your pick.
honestly she's never been regarded as a hollywood bombshell and too bad bikini pics can't even take her there, she has the body of a 13 year old, isn't toned at all and that's a really sorry ass tan, unfortunaly the bikini just looks like panties and a training bra..........GAG!
Britney Spears might miss a lot more 'X Factor' auditions ... because she can! Simon Cowell gave Brit damn near free reign in order to sign the pop star to that $15 million deal -- but is it backfiring? We'll tell you what peeps on the set are saying.Plus, Chris Jericho's…