Kelly Osbourne Slams Reports She Fell "Off the Wagon"

Kelly Osbourne wants to make one thing very, very clear: She hasn't fallen "off the wagon."

Earlier today, it was reported that Osbourne was drinking at a Golden Globes after-party Sunday night ... which would be bad news for a girl who has been sober since going to rehab in 2009.

Only problem is, Kelly says the entire story is one big lie.

"Please stop writing bulls--t about me," she tweeted earlier today. "I did not even go to any golden globe parties i was working!"

She continues, "i will say this till I'm blue in the face I DO ENOUGH STUPID S--T YOU DONT NEED TO MAKE THINGS UP!"

She finished off her rant but adding "you gotta laugh if people only knew how nerdy and boring i really am."

One thing she doesn't have an explanation for yet: This.