Proposal stories are ALWAYS the best, but this one is pretty super!
While Kelsey Jenkins was standing between the celebs, waiting to take the star-studded snap, her boyfriend got down on one knee!
And clearly, that caught EVERYONE off-guard, including the actors! Just look at their faces (above)!
On Sunday, the blushing bride-to-be posted the precious pic of the big moment on her Twitter account, and thanked Chris and Hayley for being a part of the life-changing event, writing:
"@HayleyAtwell @ChrisEvans thank you so much for being there. It was such a shock! You both are awesome! #iAmEngaged"
But what makes the whole thing even better is that one of the proposal's famous witnesses took to the status-sharing site to give the cute couple a shout-out!
Ch-ch-check it out (below)!