Word has it:Britney Spears has fallen out with Paris Hilton big time at her 26th B-day bash last Sunday. Apparently Paris treated Brit and Brit's people like shit.So here we have it: Britney got Paris's lesbian sex tape with one of their mutual pals . She's gonna post it on the internet to revenge disrespectful Paris. Man, this is like bitchy cat-fight.I can't wait. Britney, you better release the scandalous sex tape sooner than later cause it's gonna be a crime to delay the holy quest of the completion of Paris Hilton Sex Tape collection.