Kristin Cavallari Goes For a Ride With Justin Bobby

The Hills star Kristin Cavallari was spotted taking a ride with Audrina Patridge's ex boyfriend Justin Bobby on his motorcycle in Los Angeles recently. It looks like Kristin hasn't hesitated on moving in on Audrina's ex!

Kristin is the newest member of the show and is taking over for the recently departed Lauren Conrad. Readers, what do you think of Kristin moving in on Justin this quickly? Click on the photos for the gallery of Kristin and Justin taking a ride!