Kate McKinnon crashed Ellen's monologue, dressed as Ellen

You didn't think Kate McKinnon was going to stop by Ellen and not bring her Ellen impression with her, right?

The first time McKinnon took over for Ellen DeGeneres, she came out in a dress, and a handler had to bring her a more Ellen-esque outfit.

And she nailed it:

This time, she came prepared, showing up to Monday's show in full Ellen garb.

Come for McKinnon's crack impression, stay for the prerequisite dance-off at the end.