Surprisingly though, she doesn't look embarrassed at all!
The former American Idol contestant was spotted leaving a friend's house in El Lay on Saturday and she was sporting a cheery look on her face!
We guess she let bygones be bygones since Michael was seen walking down a red carpet with his wife Mary McCormack!
"Kat likes Michael, but it's just a fling for her."
Well, that would certainly explain how she bounced back from the situation so quickly!
From what we understand, the actress is still married to her director hubby Nick Cokas, despite their six-month separation.
Katharine seems to have a type…Lolz!
Well, if Michael and Mary can work it out, there's no reason Katharine and Nick can't either, right?
[Image via National Photo Group.]