Avril & Deryck's Divorce Takes a Backseat

2/27/2010 2:03 AM PST
Divorcing duo Avril Lavigne and Deryck Whibley are together again ... in the back of a limo.

While Avril's friend Brody Jenner drove around L.A. with Krisitn Cavallari, the once happily married couple left an "Alice in Wonderland" afterparty and carpooled to a London hotel on Thursday night..

Why'd you have to go and make things so complicated?