‘The Summer I Turned Pretty’s’ Christopher Briney Raves Over Girlfriend: Couldn’t Do It Without Her

Christopher Briney can always count on his girlfriend Isabel Machado for support. “I couldn’t do it without her. I couldn’t do anything without her,” he told Access Hollywood at the “Mean Girls” premiere. “The Summer I Turned Pretty” star also talked about his on-screen chemistry with Reneé Rapp and revealed if he’s talked to the Jonathan Bennett who played Aaron Samuels in the original film. “Mean Girls” hit theaters Jan. 12.