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Oh Brother -- D-day for Jedward in the BB house

Big Brother housemates will be faced with a difficult task this evening -- ignoring the most outlandish duo in pop.

Jedward are planning to enter the complex to perform their new single All The Small Things in the garden.

As part of this week's shopping task the housemates must do their best not to acknowledge or react to strange events going on in the house.

They will be forced to ignore Big Brother presenter Davina McCall -- who will host part of tonight's double bill from inside the house.

The housemates have had to fight their natural instincts for this week's task, which has seen appearances from family members and friends, a big brass band, squabbling gorillas, noisy tourists, strippers and zombies.

If they are successful in the task, they will win a luxury shopping budget and messages from home.

During tonight's live show one housemate will be evicted and a new contestant will be replacing walk-out Laura. Graffiti artist Sam (21) will make his grand entrance during the show following Laura's departure on Wednesday.

Andrew, Ben, Dave and John James face the public vote over eviction from the final series of the reality show.