Lily Allen Bares Her Backside At G-A-Y Gig

Lily Allen showcased more than her new album during a surprise concert at London's G-A-Y club on Saturday (January 31st).

The singer wowed fans by wearing an all-blue sailors' outfit with matching stockings at the intimate gig.

Allen previewed a number of songs from her new album 'It's Not Me, It's You' during her performance, including her current number one single 'The Fear'.

The singer, who is currently on a huge promotional tour, also played a cover of Britney Spears' hit 'Womanizer.

'It's Not Me, It's You' is released on February 9th. You can read Gigwise's review of the album here.

You can also see Lily having a snowfight in London this morning by CLICKING HERE

Lily Allen at G-A-Y