Tuesday 24th July 2012 by Michael Baggs

Tags: Tulisa

"This is crazy" said Carly Rae Jepsen this week when photos appeared online, seeming to be of the 'Call Me Maybe' star involved in a sex act, denying it was her.

The girl seen in the video in question certainly looks like Jepsen, but would the squeaky clean, Justin Bieber protege really film herself 'in the act'? Who are we to say.

Of course, she wouldn't be the first. Perhaps you've heard about Tulisa's sex tape - or maybe not, it's not like she hasn't been banging on about it all year long. Then there's Fred Durst, Tommy Lee, Paris Hilton, Kim Kardashian - the list goes on.

So, in celebration of Carly Rae Jepsen's potential induction into the grimy world of sex-tape fame, check out the greatest ever sex-tape scandals and rumours right here...