Rosie Huntington-Whiteley Attends Launch of Collagen Water

Rosie Huntington-Whiteley flashes a smile as she arrives at the launch of Vital Proteins‘ new Collagen Water on Wednesday night (March 6) in Irvine, Calif.

The 31-year-old model looked pretty in an oversized, light-blue outfit as she was joined at the event by Erin and Sara Foster.

PHOTOS: Check out the latest pics of Rosie Huntington-Whiteley

Earlier that day, Erin took to Instagram to share a photo of she and Sara “fashionably” stepping out while braving the rain.

“We don’t have to be in Paris to embody fashion week. You simply have it or you don’t,” Erin captioned the below photo.

FYI: Rosie is wearing a Galvan outfit, Gianvito Rossi shoes, and a L’Afshar bag. Erin is wearing Hunter boots. Sara is wearing Hunter boots.

15+ pictures inside of the ladies at the launch party…