Pic: Lily Allen posts racy underwear selfie snap
Lily Allen has followed a number of famous faces by posting a racy selfie to Instagram.
On Tuesday Kim Kardashian took to Instagram to post a naked image of herself to prove that she really is pregnant.
Then yesterday Christina Aguilera posted a topless shot to the platform as she decided she wanted to share more 'personal moments' with fans.
Now Allen has followed the trend, posting a picture of herself in her underwear to her 675,000 followers.