Katona and Opik took part in the second of Celebrity Big Brother presenter Brian Dowling's Summer Showdowns, during which the pair stood behind a traditional wooden cut-out fairground attraction as Schofield and Willoughby took aim.
After the show, which also saw Katona testing out the best fake tan on a selection of models, the 31-year-old mother-of-four tweeted: "Love being back on this morning! Xx"
Photo gallery: Stars and politicians being pelted by protesters:
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