Bradley Walsh’s son, Barney Walsh also sang Flash, Bang, Wallop from Half A Sixpence, earning 26 stars from the judges.
However, when it came to the end of the programme, it was Robert Rinder who was crowned the winner.
Speaking after his victory, the emotional barrister said: “I was watching backstage and the talent, the beauty, the delight, the meaning and the joy of everybody.
“Honestly, I think I’ve had the best time ever and have done it in front of three people I’d admire so much. I’m going to cry and I blame you, thank you very much.”
All Star Musicals is available to watch on ITV Player.