Although Heidi Montag just graced the cover of a major magazine to say she was "betrayed" by Spencer -- Montag and Mayor McCheese were together at LAX Nightclub in Las Vegas last night stinking up the dance floor.
Heidi once again wooed Spence by lip-syncing a song for him -- but this time, it wasn't her horrendous single. It was "Baby Got Back."
Heidi's Got the Hills to Pay the Bills
3/8/2008 1:30 PM PST BY TMZ STAFF
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