The former footballer's wife Tanya died at the age of 55 just days before filming on the X Factor auditions began.
Simon Cowell missed a trick not signing up these stars for the new series.
The music mogul has said there's no bad blood following Sharon's comments about her X Factor exit.
It's also been confirmed that Simon Cowell will be joined by fellow judges Louis Walsh and Nicole Scherzinger on the star-studded series.
The Britain's Got Talent judge says he and co-star Amanda Holden find it "hysterical" to revisit their "Botox years".