Nicole RichieNicole RichieMore details on that tape and that feud...

Nicole Richie has spoken out about rumours that her falling out with Paris Hilton began because she showed her former pal's notorious home movie to friends.

Denying the whispers, Nicole told Vanity Fair: "A, I don't watch porn, and B, I don't want to see someone I've known forever having sex. I mean, that's gross!"

The former pals fell out in January 2005 and stories emerged that Paris arrived at a party to find Nicole and friends having a good old laugh at 1 Night In Paris, the home movie made by her ex, Rick Saloman.

And it doesn't look like a reconciliation between the two girls is on the cards anytime soon.

Paris HiltonParis HiltonOn her new album, Paris sings about Nicole on the track Jealousy.

Paris told Out magazine: "I brought Nicole on The Simple Life, and all of a sudden she became this different person.

"She dropped her old friends and now she's someone else. That's not the girl I know. That's similar to the lyrics in Jealousy.

"It's a song about any girl. Any girl who has a girlfriend that's jealous of you. It's the meanest, most evil thing that can take over you."