Kate Bosworth & Michael Polish: Chateau Marmont Arrival!

Kate Bosworth keeps it glamorous while arriving at the Chateau Marmont on Friday (January 11) in West Hollywood, Calif.

The 30-year-old actress, who was accompanied by her dashing fiance Michael Polish, celebrated her belated birthday with close friends earlier in the evening at a fancy soiree.

PHOTOS: Check out the latest pics of Kate Bosworth

Earlier in the day, Kate was casual chic while grabbing some groceries from Bristol Farms.

Kate recently tweeted a video and said, “A great interview with Sally Field and @TavisSmiley,” which was also retweeted by Michael. Watch the video below!

FYI: Kate is wearing a vintage dress and Tous jewels.