Beach Hair Backlash: Gigi Hadid, Olivia Munn, and More Embrace Summertime Straight InlineAugust 7, 2015Save StorySave this storySave StorySave this storyPhoto: INFphoto.com1/3Gigi HadidPhoto: Getty Images2/3Allison WilliamsPhoto: Splash News3/3Olivia Munn