It's On Bitch
In the episode , Kristin Cavallari and Audrina Patridge begin a feud involving the latter's ex-boyfriend Justin Brescia , while newlyweds Heidi Montag and Spencer Pratt disagree about having children . 
<triplet> Heidi Montag <subj> Spencer Pratt <obj> spouse <triplet> Spencer Pratt <subj> Heidi Montag <obj> spouse