“West Side Story” star Ansel Elgort has denied a sexual assault allegation.<br />PageSix reports that a woman, who identified herself only as Gabby, accused Elgort of sexually assaulting her when she was just 17.<br />In a Twitter post Gabby claimed that after the two met through messaging on social media, Elgort took her virginity.<br />She said she was “sobbing in pain” during the experience, and he did not ask if she wanted to stop.<br />Elgort, 26, confirmed the encounter happened but insisted in his own post that their relationship was “legal and entirely consensual.”<br />“What is true is that in New York in 2014, when I was 20, Gabby and I had a brief, legal and entirely consensual relationship.”