The Hills Preview: Holly Montag Moves in with Lauren Conrad, Speidi Reacts with Bitter Exchange

On tonight's episode of The Hills, Holly Montag apparently moves in with Lauren Conrad and Lauren Bosworth (Lo). Heidi Montag was not happy when she learned of this - from none other than the instigator, Stephanie Pratt, of course.

Clearly humored by the news, Spencer Pratt was quick to opine on how the move came about, blaming Heidi's mother and saying that Lauren's karma has come around as it's now LC who must deal with the "world's biggest mooch."

He even disses Stephanie Pratt in the process. It's a rather amazing clip, even by Spencer's passive-aggressive, sarcastic standards. Check it out ...