Sarah Caldwell
February 05, 2013 AT 05:44 PM EST

Poor Katharine McPhee did not know what she was in for when she went on Late Night with Jimmy Fallon to promote Smash last night. But she handled a flirty Russell Brand like a champ!

When McPhee came out on stage, Brand wouldn’t move from the guest chair, so she sat down on his lap. Then Brand got a little touchy-feely. Watch the awkwardness below:

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