On the season finale of The Hills [1], reality bites when newlyweds Heidi and Spencer come home to a not-so-warm welcome from the bride's mother. At the same time, Heidi's busy organizing a black-tie opening party, where she unexpectedly runs into ex-best friend Lauren. Audrina and Justin, hopeful to make their relationship solid, head to Palm Springs for a romantic getaway. Did you pay attention to the delicious drama? Find out when you take our quiz!

To get all the fashion from last night's episode, check out CelebStyle [2].

Photo courtesy of MTV [3]