Britney's self-arranged photo shoot and interview with OK! Magazine was a complete disaster, according to TMZ. So bad that there is even talk of ditching the layout for the bigger story: Brit goes off the deep end. Again.

• Brit's eyes rolled back in her head at one point, causing her to look half dead.

• She was paranoid during the entire interview, fearing at one point the ceiling was about to cave in on her.

• Britney ordered up some fried chicken to munch on. We're told after she chowed down, she wiped her hands on a several thousand dollar Gucci dress that she was wearing for the shoot, staining it with grease.

• Britney's dog pooped all over the floor, and Brit used (what else?) -- a Chanel dress to clean it up!

And if you're wondering where her mom/publicist/lawyer/friend/ANYONE was to help her out, we're told that even her cousin Alli (who until recently was working as her personal assistant) couldn't deal, and is "done" with Miss Spears.

[photos from outside music studio last week]