Jennifer Lopez gives the low-down on her famous derriere

Jennifer Lopez and husband singer Marc Anthony arrive at the premiere of CBS Films' "The Back-up Plan" held at the Regency Village Theatre

Jennifer Lopez shows off her curves by wearing a skin-tight black catsuit as she performed at the 2010 Sanremo Festival

Jennifer Lopez wore a headache-inducing black and white sundress

Jennifer Lopez shows off her small baby bump

Jennifer Lopez's dress slips to expose her assets

Celebrity wardrobe malfunctions

Christina Ricci gets into a right mess as her heels get stuck in her dress.

Has she shrunk or is Donatella Versace wearing a dress that's 10in too long for her?

Is Alicia Keys overstretching herself? She doesn't look too comfortable in her skin-tight outfit.

Becki Newton regrets leaving her straps at home.

Oops! Kate Moss's mini gives the paparazzi a glimpse of her virginal white underwear.

Liz Hurley reveals a glimpse of her big Bridget Jones pants.

Jade Jagger gives a new meaning to fishnet tight - aren't the holes supposed to be a little smaller?

It's not the most convenient place to get a rip in your shorts, but Selma Blair puts on a brave face

Whoops-a-daisy! Did Naomi Watts really want us to see her cute nipple petals?

Jennifer Lopez should really start buying clothes in her own size.

Abbey Clancy didn't realise that all the camera flashes would make her dress transparent.

Don't look now, but has Geri Halliwell forgotten to put her knickers on?

Pamela Anderson seems happy to let it all hang out

Holly Willoughby's dress can't fight gravity.

Beyonce Knowles' golden dress unravels before her eyes.

Lily Allen's kooky dress exposes her pretty knickers!

Sharon Stone's sheer black dress shows off more than she intended.

Jennifer Lopez Sexiest Picture