Ms Ballas, 65, was hired for the seven-day voyage from Southampton to Norway on board the Virtuosa, which was advertised as 'bringing Strictly glamour' to the 19-deck luxury liner.

Ms Ballas, 65, was hired for the seven-day voyage from Southampton to Norway on board the Virtuosa, which was advertised as 'bringing Strictly glamour' to the 19-deck luxury liner.

Strictly Come Dancing judge Shirley Ballas has reportedly risked being in trouble with BBC bosses for taking part in a cruise ship show that seemed identical to the BBC ballroom…