Several of Patridge’s former The Hills co-stars responded to the post. “So so sorry for your loss Audrina. This is heartbreaking,” commented Brody Jenner. “Sending love to you and the family,” while Kristin Cavallari wrote, “Omgggg this kills me.” Hart of Dixie actress Rachel Bilson replied, “Audrina! I’m so so sorry! Sending all the love and light to you and your family.” And The