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It's Sofia and ... Sofia (?) on today's Ellen as Ellen DeGeneres goes as Modern Family star Sofia Vergara for Halloween.

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Ellen dons a recreation of Sofia's slinky sequined Emmy gown -- complete with the rear-end wardrobe function -- and channels the Colombian beauty with a heavy accent.

PICS: Celebrity Wardrobe Malfunctions

Watch what happens, though, when fiery Sofia walks out in the middle of Ellen's over-the-top impersonation! Tune in to Ellen today for all the spooky -- and spoofy -- fun!