Apparently Kelis's mum's snacks are proving very popular with guests
Pop-up eaterie is in association with burger joint Le Bun
The singer played the last big official set on the final night of the Brighton festival
US singer's latest album was produced by TV On The Radio's Dave Sitek
The R&B singer releases her new album 'Food' on April 21
Singer releases new album 'Food' on April 22
The singer's sixth album 'Food' is set for release in March
The follow-up to 2010's 'Flesh Tone' has been produced by TV On The Radio's Dave Sitek