Molly Manning Walker’s debut feature How To Have Sex has won the top prize in the Un Certain Regard section of this year’s Cannes Film Festival (May 16-27).

The film follows a group of teenage girls on a rite-of-passage clubbing holiday, and was shot in Greece with a cast including Mia McKenna-Bruce, Lara Peake and Samuel Bottomley.

Produced by Wild Swim Films and co-producer Heretic, with backing by Film4, BFI and mk2 Films, with Mubi releasing in the UK, North America and other key territories. Mk2 handles international sales.