When it comes to switching up her look and experimenting with bold makeup shades, Leighton Meester is the queen bee. The actress, singer, and designer muse is a pro at playing with color, crafting unconventional beauty looks, and setting trends. Leighton loves to have fun with her makeup and is totally fearless when it comes to walking the red carpet. In honor of her 25th birthday this weekend, here's a look back at Leighton's beauty evolution.
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