Chris Evans and Hayley Atwell's Reaction to This Surprise Proposal Is Priceless

Hayley Atwell, who plays agent Peggy Carter in the Marvel Universe, and Chris Evans popped up at Utah's Comic-Con weekend on Saturday. While they might have expected tons of adoring Captain America fans, they surely didn't expect the surprise proposal that went down during the photo ops. Kelsey Jenkins, the recipient of the proposal, shared the incredible moment on Twitter, and we have to say, Chris and Hayley's faces are priceless. Keep reading for the full story, plus the respective reaction both stars shared after the fact.