Backstage with Stavros: Luca Calò shows our man how to twerk!
If you've never seen a short, round Greek guy twerking, today's your lucky day!
Find out what happened when dancing diva Luca showed Stavros how to shake his bootay.
You HAVE to see this!
Don't miss Luca performing in tonight's second semi-final show on ITV, 7.30pm.