Kate Bosworth: Mulberry Party with Michael Polish!

Kate Bosworth keeps it chic at the Mulberry Spring/Summer 2012 Dinner held at Bungalow One inside the exclusive Chateau Marmont on Thursday (December 8) in Los Angeles.

While standing in front of giant animal balloons, the 28-year-old actress was seen laughing and wrapping her arm around her boyfriend, filmmaker Michael Polish.

PHOTOS: Check out the latest pics of Kate Bosworth

Kate donned the Mulberry Shift Dress in nettle green, the Boyfriend Jacket in pheasant green (not pictured), the Gem Pumps in nightshade blue, and the Harriet Clutch Wallet in nightshade blue.

Guests were presented with new season goodie bags before they left, containing a Bandeau Bikini in our Bonkers Beach print, a Summer Visor, Bow Jelly Sandals, the Donkey Sweatshirt and Tote and a Rosie Satchel in vivid Nightshade and Grass Green print.

FYI: Kate is wearing a JewelMint bracelet.