Katharine McPhee's Red Carpet Style Evolution

Our February cover girl, Katharine McPhee, has come a long way since being named American Idol's fifth season runner-up. She's released three albums, starred opposite Anna Faris in The House Bunny (one of those feel-good comedies we can't help but watch every single time it airs) and established herself as a bona fide TV superstar with a leading role on NBC's Smash. And as her star has risen, Katharine's also stepped up her style game, trading bootcut jeans and super-short minidresses for glamorous gowns by Donna Karan and Dolce & Gabbana. Click through to witness just how dramatically her look has evolved over the past six years.

Kat's hair looked fantastic at the 2006 Billboard Music Awards, and we like the softly-draped neckline and classic peeptoe pumps—but that hemline could stand to be a few inches longer, no?

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