Kelly Osbourne NOT Pregnant! 'Fashion Police' Starlet Twitter Rant After Grammy Awards Buzz, 'No F*cking Baby Bump I Need To Take A Sh*t!'

Does "Fashion Police" rebel Kelly Osbourne look pregnant?

Well, several Twitter fans think she's definitely attemping to "hide" a baby bump:

@Lauren_Katee: "Hey @KellyOsbourne, you pregnant?"

@moonshyne28: "No shade but @KellyOsbourne looks pregnant on ENews #ENewsRedCarpet."

@stephanieterps: "Is kelly osbourne pregnant or just hefty? That dress looks horrible on her."

@darkcreek40: "Ok... sorry but is @KellyOsbourne pregnant? #GRAMMYs #Grammys2015."

@ILanGyul: "I hope @KellyOsbourne is pregnant. If not!? sorry, That dress is a no no. #GRAMMYs."

@downtowncsmom: "@KellyOsbourne wanted to say you looked fantastic last night was mortified to hear people saying you looked pregnant #effyourbeautystandards."

‏@djmcd61: "@redcarpet Is Kelly Osbourne pregnant?! Looks like it in the dress she's wearing."

@SHANDAANDERSON1: "@Eentertainment4 @KellyOsbourne Are u pregnant KellyO??? If so Congrats!!! If not Oops!!! MyBad."

And here's a real clever one:

@mexicandy: "is it me or does #KellyOsbourne #Cruella like dress maker her Prego? She has a glam glow! #ERedCarpet #Grammys."

Well, the infamous rock 'n' roll offspring wants everyone to know... she's definitely not expecting!

@KellyOsbourne: "NO IM NOT PREGNANT YOU F*CKERS! I have a back brace on AND I REALLY NEED TO TAKE A SH*T! #SuckIt."

Wow - too much info! But what an entertaining way to set the record straight.

More importantly - why does she have to wear a back brace?

The rather explicit tweet was favorited more than 2,200 times (and counting) on the popular social networking site.

The 30-year-old fashionista called-off her engagement to popular chef Matthew Mosshart back in January 2014. Right now, she remains focused on her skyrocketing career with E! News. Not on diapers and strollers...

Do MstarsNews readers find Osbourne's hip-hugging Christian Siriano gown unflattering to her figure? Wonder what Kathy Griffin, Brad Goreski, and Giuliana Rancic have to say about the "belly enhancing" frock!