A video of singer Vicky Lloyd has surfaced online featuring her taking her off her bikini in the shower before "caressing her breasts and frolicking seductively", claims The Sun.
ITV1 bosses are apparently concerned that further leaked videos featuring the girls may upset families watching the show.
Lloyd, Azi Jegbefume, Khatereh Dovani and Chemmane Applewhaite met while working at the adult club Secrets in London.
The four-piece girlband were one of the final acts to make it through to boot camp at the weekend and have been tipped to make the final 12. Their performance of The Pussycat Dolls's 'Don't Cha' got the approval of all four judges.
"The girls no longer work as lapdancers now they're in the show," said an ITV spokesperson.