Heidi Montag slammed her former friend and costar Lauren Conrad during an appearance on the popular Call Her Daddy podcast with Alexandra Cooper on Wednesday.Montag, 34, took Lauren, 35, to task for treating her like a 'dog' over her relationship with husband Spencer Pratt - of which Conrad was infamously against during The Hills.The MTV star also made barbed comments about Conrad's success (or lack-there-of, according to Heidi) and declaredKristin Cavallari to be the most successful of the bunch.
Over it:Heidi Montag slammed her former friend and costar Lauren Conrad during an appearance on the popular Call Her Daddy podcast, taking Lauren to task for treating her like a 'dog' and not being 'successful' enough'[Lauren's] like, 'If you date.
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