Donnie Wahlberg pulled off one of the biggest surprises in history last week, and he wasn't even a contestant! The unmasking left his wife, panelist Jenny McCarthy, in complete shock, and the couple are opening up to ET about how it call came together — and how McCarthy didn't know her own husband's voice.«There are a lot of things that you have to put in place before you judge me,» McCarthy told ET's Kevin Frazier. «First is he tricked me! He would actually facetime me from theset dressed as