"This week I'm dancing to Michael Buble. I have to get into character to pull this off," Gareth Thomas told us in training this week as he prepared to take on a smooth-grooving Leveller performance.
"It's all about rhythm, it's all about style, it's all about looking classy," he added, laughing, "In my mind right now, I'm the Welsh version of Frank Sinatra!"
So did Gareth's act Fly the judges To The Moon? Watch the video above to find out...