Hottest of Hollywood!

Let's take a look at some of Hollywood's hottest onscreen acts! Actress Kirsten Dunst goes topless for a scene in new movie 'Melancholia'.

Emma Stone and Ryan Gosling's steamy scene from the film 'Crazy, Stupid Love'.

Robert Pattinson and Kristen Stewart's intimate lovemaking sequence from the movie 'Twilight: Breaking Dawn'.

Robert Pattinson and Kristen Stewart in a hot still from the movie 'Twilight: Breaking Dawn'.

Robert Pattinson and Kristen Stewart in a still from the film 'Twilight: Breaking Dawn'.

A bed scene from the movie 'A Good Old Fashioned Orgy'.

Liv Tyler goes naked for a steamy sex scene in her film 'The Ledge'.

Katy Perry's wild act from her music number 'Teenage Dream'!

Actress Dame Helen Mirren and Sergio Peris-Mencheta in a sex scene from the movie 'Love Ranch'.

Jessica Simpson's saucy car wash in the video for 'These Boots Are Made For Walkin'.

A still from 'Bull Durham', starring Kevin Costner, Tim Robbins and Susan Sarandon in pivotal roles.

'Body Heat' movie helped launch the career of Kathleen Turner, who played a femme fatale out to murder her husband played by Richard Crenna. William Hurt played the role of a sleazy lawyer who helped Turner by enlisting his client's (Mickey Rourke) help.

Whitney Thompson took it all off and posed alongside the event's creator Chenese Lewis. Thompson also serves as an ambassador for the National Eating Disorder Association (NEDA) and Lewis acts as an ambassador for the Binge Eating Disorder Association (BEDA).

Penelope Cruz and her sister Monica posed as sexy lesbians stars for their brother Eduardo's music video.

Feeder, one of the renowned rock bands, is set to titillate fans with their kinky new video from their album Renegades. The faceless girl - who appears on the cover of Feeder's new album of the same name - bashes everything that comes across with a baseball bat.

Khloe Kardashian and Lamar Odom seen getting cosy in an advertisement for unisex fragrance, 'Unbreakable'.