Actress Thaila Zucchi – fake Australian housemate 'Pauline' - has been confirmed as this week's guest presenter of Big Brother's Big Mouth.
The spin-off show has been fronted by a different face each week after Russell Brand quit earlier this year.
Hosts so far in the series have included DJ Chris Moyles, Celebrity Big Brother housemate George Galloway MP and Leigh Francis's alter-ego Keith Lemon.
Footballer-turned-TV presenter Ian Wright has been confirmed for a stint in the studio, along with Mathew Horne and James Corden from acclaimed comedy series Gavin & Stacey.
Richard and Judy's children Jack and Chloe Madeley will also be making their presenting debut on the show.
This year's programme features a special Friday night edition on Channel 4 in which the presenters and panelists will debate the latest eviction from the house in front of a live studio audience. The show will be repeated later that night on E4.
More: Reality TVBig Brother
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