Heading to a meet and greet for her Honest beauty line, Alba wore the tea lenth dress - which retails for $615 - with platform burnt-orange sandals and statement earrings with her hair in loose waves and makeup look minimal.
The London-based label has been a firm favourite of celebrities since its inception in 2014, with Kate Middleton, Meghan Markle, Mila Kunis and Margot Robbie all spotted in its designs in recent months.
BRB, going shopping before this look sells out.