Have we ever seen Ellen DeGeneres in a dress?!? In any case, the talk-show host's Sofia Vergara Halloween costume is one for the books, complete with butt-baring wardrobe malfunction.
Her Vergara impersonation? Well, she gets an A for effort.
Vergara famously tweeted a picture of her own thong-clad behind after she busted out of her skin-tight dress at the 2012 Emmy Awards, and DeGeneres revived the look for her holiday show, much to the delight of the studio audience.
DeGeneres and Vergara, who've partnered for Cover Girl commercials, are apparently close enough friends that the latter felt comfortable dropping by for a cameo to tell the former that her backside looked, well, huge. Nice, ladies, nice.