LOS ANGELES - Thanksgiving weekend movie crowds gobbled up the Reese Witherspoon and Vince Vaughn holiday comedy "Four Christmases," which debuted at No. 1 with $31.7 million, according to studio estimates Sunday.

The Warner Bros. release, featuring Witherspoon and Vaughn as a couple suffering through four separate family holiday gatherings, raised its total to $46.7 million since opening Wednesday to get a head start on the long weekend.