Radebe, who grew up near Johannesberg, spoke about dealing with bullies and bad times at school.
Here's who won every series of Bake Off and what they're doing now.
The star won the contest in 2012.
The pair are taking part in a Pride special.
The dancer was paired with 'Bake Off' star John Whaite.
Radebe and John Whaite made history on the series.
The baker had a positive lateral flow test and missed two shows on Sunday, but his PCR result was negative.
The Strictly 2021 runners-up have admitted that they did clash in rehearsals - but they always made up.
The finalists this year include the first all-male couple and the first deaf contestant.
The pro dancer says he feels like a winner because of the improvement.
AJ Odudu has had to pull out of the final.
The star said she was 'so sad' about missing the final.
The couple fumbled a lift, but the judges didn't mind.
The Baker has had to take a rest from rehearsing as his hips were in so much pain.
The celebrities have been looking to contestants past as role models.
The celebrities have been feeling the pressure of the contest.
The 'Strictly' pro expects viewers to be amazed by what they see tonight.
The celebrity chef says his dance partner has taught him valuable life lessons.
Craig Revel Horwood loved the boys' Rhumba so much he wants to dance it at his wedding.
The cook is making history on the BBC ballroom contest.
The contestant said their routines were anything but sexy in the rehearsal room.
The first high scores of the series have been awarded.
The contestant said the supportive messages he received had been life-changing.
The former 'Bake Off' winner's debut dance as part of an all-male couple scored highly with the judges.
Find out the biggest news from the dancefloor and back stage this week.