What do you wear to the signing of your own book? A glamorous dress, heels and a slick of lippie? Nope, a bikini and no makeup - if you're Gwyneth oozed the ultimate beach babe vibe.
She smiley, happy and laidback - and it looked like Hurricane Irene was the last thing on Gwyneth's mind as she chatted to customers at the book signing in East Hampton.
What do you think of her relaxed beachy book signing style? Let us know below...