05/01/2012 07:18 am ET

'Chelsea Lately': Mary McCormack Recalls Gluing Her Mouth Shut When Pregnant (VIDEO)

Mary McCormack stopped by "Chelsea Lately" (Weeknights, 11 p.m. ET on E!) Monday night to talk about the Season Finale of "In Plain Sight," but wound up instead talking about how she'd once managed to glue her mouth shut with crazy glue.

McCormack did it the day before she was due to give birth to her daughter and was in "a full pregnant crazy swivel." She tried out all kinds of things to remove the glue, but simply ended up "wrecking" her mouth.

She joked that she looked like she had a nasty disease, but Chelsea Handler quipped, "No, you looked like you had given birth to the baby out of your mouth!"

The Series Finale of "In Plain Sight" airs Friday, May 4 at 10 p.m. ET on USA. "Chelsea Lately" airs weeknights at 11 p.m. ET on E!.

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