Now that the soul-destroying spectacle of watching the old Big Brother housemates beg to be allowed to be famous for a few microseconds longer is over, Mikey, Grace, Lea and Nikki are making the Big Brother house next door their own.

However, the Big Brother House Next Door won't be their home for too long; tomorrow night the Big Brother housemates will choose one to join them in the Big Brother house for the final week, while the other three will get a second slap in the face and told to go home and do another tawdry Nuts photoshoot. Quite how the Big Brother housemates will choose who goes into the main house is yet to be announced, though – and Endemol hasn't got back to us over our suggestion that it should be decided via a game of landmine hopscotch.

So which Big Brother housemate will be chosen by the others tomorrow night? Here are the Big Brother betting odds for Mikey, Grace, Lea and Nikki, with betting odds coming from PaddyPower…

Grace – We almost forgot what a completely despicable witch Grace was while she was out being a member of the public again, since there's only so much self-absorbed, self-consciously bitchy, approval-craving mewing that we can take before we tune it out. But now Grace has been reunited with Mikey, it's like she never went away. That's a bad thing, by the way. However, most of the remaining Big Brother housemates hate Grace almost as much as we do, so we'd guess that would reduce her chances of entering the Big Brother house considerably. Current Big Brother betting odds – 20/1

Mikey – Mikey had an interesting journey inside the Big Brother house – he went from mumbling, emasculated ninny to as close to a firebrand as he's ever going to be, shouting at Susie and Jennie a couple times each. And this has made Mikey into a stronger, more independent man, right? Wrong! Now he's back within 10 feet of Gracie, his testicles have disappeared up inside his body and he's back being the pointless moron that he was before. Will Mikey go back into the Big Brother house tomorrow? Hardly, he shouted at all the housemates just before he left. Current Big Brother betting odds – 7/1

Lea – Line of the week – possibly even line of the series – was Lea's vow upon entering the Big Brother house next door. "I won't be going on about cock at all now. I've had a month's worth of it." She's a classy girl, that's for sure. All that cock seems to have dampened Lea's horrifying Petethirst, which leaves her wide open for some Glynlove. Glyn became so excited by seeing Lea's picture on the Big Brother TV that he actually broke out of the house looking for her. If Glyn can convince the others to his way of thinking, Lea's bound to enter the Big Brother house tomorrow. Current Big Brother betting odds – 6/4

Nikki - Nikki was always going to be the favourite to go back into the Big Brother house next door, wasn't she? And in the end 63% of you voted for Nikki. And now Nikki seems to sort of know what sort of stuff goes down well with the public – we've already had the "Aisleyne makes me physically ill" line and the "I'm so cold" line. A quick "who is she?" and we'd be standing up shouting "house". The real issue is whether or not the remaining Big Brother housemates will vote her back into the house. They did all immediately notice Nikki when they saw her on the screen, but if they're smart they'll vote for someone else – Nikki's popularity is so big that she might actually win Big Brother at this rate. God knows why. Current Big Brother betting odds – 4/6

Tomorrow – more Big Brother betting odds! But until then, don't forget to check out the latest Big Brother betting odds, from any number of these brilliant betting websites. Good luck!

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[story by Stuart Heritage]