The catchy pop song was written by Cathy Dennis, who also penned Katy Perry's "I Kissed a Girl" and Britney Spears' "Toxic."
Could the lyrics -- " Your excuses get better/you couldn't give me time" -- be about beau Spencer Pratt?
In a trailer for the Hills' fifth season (premiering Monday on MTV), Montag confronts Pratt about hitting on a bartender, which he denies.
"I don't know if Spencer and I can get through this," Montag tells her mom.
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