"Gwen Stefani takes holiday dressing to a whole other level, and the singer pulled out all the stops on Tuesday night's finale of The Voice. During her duet performance of ""You Make It Feel Like Christmas"" with finalist Carter Rubin, the singer wore an entire Christmas tree — complete with sparkly ornaments. She paired a sexy bra top with a huge ruffled tulle skirt (with presents hidden under it, perhaps?), and, of course, added a bow headband. And in true Gwen fashion, the star rocked the extravagant custom Christian Siriano outfit like no other. Carter, on the other hand, wore an adorable velvet green tux with a red bowtie to match. Just a few weeks ago, Gwen wore another festive, head-turning look at the Christmas in Rockefeller Center tree lighting concert on Dec. 3. At the event, the  ""Let Me Reintroduce Myself"" singer wore a candy cane-inspired Christian Siriano coordinated set, as well as a pink latex Christian Cowan minidress with two massive bows. Get a closer look at Gwen's latest holiday-themed look ahead."
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