The star danced alongside Giovanni Pernice and the pair reached the final of the contest.
Debbie said the programme “changed her life” after the loss of her long term love Paul Daniels.
The magician died back in 2016, aged 77, following an incurable brain tumour.
Debbie has since set up her own podcast Spill The Tea With Debbie McGee, which airs weekly on Spotify and sees her interview a host of well-known personalities.
The Masked Singer continues Saturday on ITV at 7pm.
