If you want to channel your inner Who this holiday season, you're in luck—we've got the perfect tutorial for Cindy Lou Who makeup ... re not doing a wig, the hair is often the biggest challenge ...

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In addition to belting cult classic carols, she debuted a hair transformation that bore a striking resemblance to one of the most iconic Christmas characters in history: Cindy Lou Who. The "Just ...

Cindy Lou Who, step aside because there's a new Whoville ... That said, as Gaga has previously proven with her otherworldy hair transformations, this look would have been achieved via a wig.