Those that saw "Bachelorette" at Sundance will be quick to tell you, playwright Leslye Headland's feature film debut is a hard-R comedy. The first trailer released by The Weinstein Company/Radius last month did a decent job of selling the film to a general audience, but a new, just-released Red Band preview, courtesy of Funny or Die, gives a better indication of the film you're in store for when it hits VOD on August 10, and opens in theaters on September 7.

The raucous, fast-paced and hilariously foul-mouthed dramedy follows a gang of old girlfriends who come together and screw everything up at their friend Becky's wedding.

The cast is led by a terrifying Kirsten Dunst as Regan, the sadistic and insecure maid of honor from hell, Lizzy Caplan as Gena, a cokehead party girl who has to confront the ex-boyfriend who she says ruined her life, and a scene-stealing Isla Fisher as Katie, a ditzy and troubled perpetual retail slave. The ladies are ably supported by a male cast that includes Adam Scott, James Marsden and Hayes McArthur.

Watch below: