As many a Big Brother contestant can tell you, opportunity knocks but once – if you're not quick to answer the door, it's obscurity which will be tap-tap-tapping. So 2007's contestant Chanelle – with her eyes glazed like that of a shark smelling rapidly-diluting blood – is doing her best to snap her jaws round a media career while the fickle lads' mag readership can remember who she is. Cue an embarrassing staged "sex video" on YouTube and a VH1 series on her ever-more desperate attempt to make it as a singer.