Gwyneth Paltrow didn't let the threat of Hurricane Irene stop her from having a book signing event in East Hampton, New York -- but did it prevent her from doing her makeup?

The usually put together actress showed up to BookHampton yesterday to promote her new book "My Father's Daughter: Delicious, Easy Recipes Celebrating Family and Togetherness" looking like she came straight off the beach -- sporting messy hair, barely any makeup, a bathing suit top covered by a striped sweater, cut-offs and flip-flops.

What do you think of Gwyneth's casual look? OK for a book signing in the Hamptons ... or should she have stepped it up a bit?

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