Synchronised swimmers took up the challenge of ITV's Cilla's Moment of Truth.
The group, from Wallingford and Reading, had to flip a bowler hat with their feet so it landed on their heads.
The prize, worth about 6,000, was a visit to a training camp in the Canary Island resort of Lanzarote, an underwater sound system and a video camera.
Coach Kate Coupar, 27, of Station Road, Wallingford, was the senior member of the Reading Royals Synchronised Swimming Club taking part.
She said: "We had a great time making the programme, especially the video diary filmed in Reading during our week of practice."
A former pupil of Wallingford School, she now works for local company Rowse Honey, and has been a synchronised swimmer for 15 years.
Her club has won the national championships for the last three years.
Ms Coupar said: "The secret to our success has been to keep the girls interested, and then work them very hard."
Three out of the five who took part in Cilla's show had to succeed with the hat trick.
Watch on Saturday night to find out if they did it.
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