Kristin Cavallari’s Super Cocaine Bowl Weekend?

(HMG) – It’s rumored that The Hills star Kristin Cavallari, 23, is spiraling down a very dangerous substance abuse path after finding success at such a young age.

Sources tell Us Weekly that Kristin spent her entire Super Bowl weekend in Miami seeking to buy cocaine. “She was wasted the entire time,” a source says. “She was going around to everyone, asking them to score her some coke.”

Apparently, the Super Bowl wasn’t an isolated incident for Kristin’s need for some Blow. Even close acquaintances have piped in, adding, “Her issues are becoming apparent to everyone. She’s getting scary-thin and not showering regularly…She’s clearly unhealthy.”

According to the mag, Kristin’s co-stars on The Hills are urging her to go to rehab, as her behavior has become erratic, and the gaunt star has become chronically tardy to Hills tapings — when she shows up at all. “She doesn’t think she has a problem,” a source says. “Her drug problem finally became an unavoidable conversation topic on film. If MTV uses the footage, it will be clear to everyone.”

Skipping the usual denials via spokesperson, Kristin took to Twitter and responded to the story angrily saying:

Get ur facts straight Us Weekly-ur article is complete BULLSHIT