Lily back from music break

Despite taking a break from music, Lily Allen joins friend Professor Green on stage

Her current pregnancy and the Lucy In Disguise fashion venture have taken priority over her music career, and Lily Allen was happy to step aside and take a break from performing and recording. But not for too long it seems.

The "Smile" singer joined her friend, rapper Professor Green, onstage at London's Koko, to sing his song "Just Be Good To Green".