Check out the stars' most hilarious Twitter pics here
Who: Demi Moore
What: As one of our favourite A-list Tweeters, Demi Moore has shared everything from steamy bikini snaps to date nights with hubby Ashton Kutcher with followers on Twitter. But the 48-year-old went one step further over the weekend, posting a nude self-portrait on the social networking site. 'Remember?..you've got your own back,' she wrote alongside the snap.
When: September 2011