By InStyle Staff
Mar 28, 2012 @ 12:50 pm
Scott McLane / Retna Ltd.; John Shearer/WireImage

Today is Lady Gaga's 26th birthday! To celebrate, we're taking a look back at her best beauty moments, from fresh-faced high schooler Stefani Germanotta to avant-garde red carpet staple. Click through the gallery to see her transformation!

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