Channing Tatum and Jenna Dewan, have won the top spot for cutest celebrity couple costume this year with their Cat in the Hat-themed outfits as they left this year?s Casamigos Halloween Party on Friday night. Channing opted for the traditional Cat in the Hat look, complete with a full-body black jumper, face paint and giant hat. However, Jenna was chose a sexy version of her hubby?s Dr. Seuss-inspired costume, complete with fishnet stockings, knee-high black boots, bustier and corset.