LONDON: Lily Allen switched roles from singer to barmaid during a U.K. concert - she set up a bar on stage and served her fans drinks during the show.

The Smile hitmaker was performing at the Oasis club in Swindon, England on Sunday (22Nov09) when she started serving pints of Guinness to the crowd at the venue.

Allen told the audience she wanted to help fans who were "too far from the bar" to get drinks.

A source tells Britain's Daily Mirror, "Lily wanted to do something a bit unique. She decided on the stout stunt because she loves it. It certainly cheered the crowd up."