Lainey Wilson broke out her most festive bell bottoms — and even a holiday cowboy hat — on Wednesday night (Nov. 29) to perform "Santa Claus Is Back in Town" during NBC's Christmas at ...

CMA Country Christmas,' cohosted by Amy Grant and Trisha ... Go tell it on the mountain — Lainey Wilson and Zach Williams are teaming up for a rockin' performance of a festive classic!