The Sinner star, 35, attended the Baby2Baby Gala on November 11, 2017 in a sheer Giambattista Valli dress worn with a strapless black bralette and high-waisted shorts.
Biel accessorised the daring look with jewellery by Tiffany and Co. and pulled her long brown locks back.
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Biel stars in one of the most talked about shows right now, The Sinner, which is currently streaming on Netflix.
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