Natasha and Clint
Other than Pepper, though Natasha didn't say it. She wasn't sure what was going on there and didn't want to bring it up in case she was Clint's go to when missing Laura got too much. He seemed happier today and she didn't want to bring him down.
"That while she's a good agent she has terrible taste?" Natasha smirked, "Or maybe she's a secret Captain America fangirl"