Russell Brand reunites with Jemima Khan

British comedian Russell Brand and socialite Jemima Khan are back together.

Brand, who announced he was "in a relationship" at a talk in London earlier this week, was seen with on-off partner Jemima at a film screening Wednesday, reports contactmusic.com.

The Arthur actor looked happy as Jemima put her arm round him at the screening of new documentary Unmanned: America's Drone Wars, which she has co-produced.

Jemima also posted a photograph on Twitter of the comedian posing in front of a wall with graffiti art of his face.