Stephen Colletti so heartbroken over Hayden Panettiere he’s partying with Lauren Conrad

Heartbroken because of the recent split with Hayden Panettiere, Stephen Colletti is now single and as such he has been seen with another ex-girlfriend.

Stephen Colletti was seen partying with Hills star, Lauren Conrad while they were in the Thirty Mile Zone.

The former lover looked like she was mending his apparent broken heart; you can see a video of them here.

What do you think, rebound or not?