Rachel Bilson Brings Baby Briar Rose to a Birthday Party!

Rachel Bilson looks so pretty in a purple dress while arriving for a birthday party on Saturday (July 25) in Beverly Hills, Calif.

The 33-year-old actress brought her eight-month-old baby girl Briar Rose (not pictured) to the birthday bash that afternoon!

PHOTOS: Check out the latest pics of Rachel Bilson

That same day, Rachel posted a photo of her in that same dress on her Instagram account with the caption, “Ulla-La! I �’� @ullajohnson.” Cute!

FYI: Rachel is wearing Elizabeth and James sunglasses.

15+ pictures inside of Rachel Bilson heading to a birthday party with her daughter…