Conrad next dated fellow classmate Jason Wahler, a notorious bad boy.She broke things off after he was caught cheating on her with Jessica Smith, Cavallari's BFF.
The Chantilly lace dress was embellished with embroidery, crystal, pearl and baby glass, and adorned with delicate buttons down the back, says Hollywood Life.
Frankie Delgado was a permanent fixture on The Hills thanks to his close friendship with Spencer Pratt and Brody Jenner.
While he briefly dated Hilary Duff in 2007 during the show, he has now settled down with Jennifer Acosta, whom he married in Dana Point, California, earlier this year.
When Lauren Conrad, Audrina Patridge, Stephanie Pratt and Lo Bosworth came up with the idea to "crash" (somehow they knew precisely where to stay) Brody and the guys' bros-only weekend in Hawaii, we knew some drama was gonna go down. The Hills stars Lauren Conrad, Lo Bosworth, Audrina Patridge and Stephanie Pratt took a little vacation at Turtle Bay resort in Oahu, Hawaii last weekend - and the action was captured by the MTV cameras as well as celebrity news photographers.
The whole gang came - including Brody Jenner, Frankie Delgado and, it appears, even the great Doug Reinhardt - and later kicked it at the famed Sunset Beach ...