It wasn’t until reuniting on set of The Americans that she was reminded.
"We did all the readings together and all the things, and after a heavy dose of fight training, all sweaty, at lunch, you said, 'Oh, you know we've met before,'" the 41-year-old actress said.
The beauty kept warm with a chic, green coat, layered over her casual look.
"I very drunkenly asked her for her number when she was a young, single, slip of a thing, so I sort of knew then when I was 26." Their chance encounter all started when Keri asked him to open a can of beer for her at a friend’s kickball party.
Matthew noted that their meeting was “very romantic,” but the actress had quite a different memory – or lack thereof.
Check out the best celebrity photos of the week from your favorite stars.
Chelsea Clinton embraced her mom Hillary during a family night out on Broadway with dad Bill.
But since welcoming their first child, they've been more open—and last night, they told Andy Cohen the delightful story of how they each knew they were into the other.