Allison Williams‘s air time isn’t limited to her hilarious scenes on Girls, anymore! Lately, the actress has been showing off her lit-from-within complexion as the face of Simple Skincare, and her healthy glow can be chalked up to her long-time devotion to the British brand. “I was first introduced to Simple Skincare by a friend in the UK,” Williams told InStyle.com exclusively. “I loved their skin-sensitive products and their holistic approach to beauty, so when it launched in the States and they approached me to be their brand ambassador, it was a dream come true!” Check out the star and her radiant skin in the video above.

Plus, get the inside scoop on Girls fashion, straight from the costume designer!

GIRLS FASHION CREDITS!

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