Check out the cool new poster for Fun Size!

The flick tells the story of a troubled but whip-smart teen girl Wren (Victoria Justice), who gets stuck babysitting her little brother on Halloween, the same evening when the hottest guy in school is throwing a party.

But things really get out of hand when Wren loses her little brother and sets out to find him, leading to an adventure in babysitting.

PHOTOS: Check out the latest pics of Victoria Justice

The film hits theaters on October 26 and co-stars Chelsea Handler as Vic‘s mom, Jane Levy, and Thomas McDonell.

Bigger pic inside…