Gallery: who's on tonight's show?

All dressed up and ready for Britain's Got Talent!

If you thought last week's show was an emotional roller coaster, then hold tight - you're in for a special treat tonight!

The greatest show on earth is back on ITV at 8pm, so clear your diary and book a place on the sofa for tonight's spectacular show.

Don't believe us? Here's a sneaky peak at what to expect...

Billy and Emily have Stavros in a spin

They're the roller-skating siblings who whipped the Judges - and the audience - into a frenzy last Saturday with their death-defying act.

Stavros Flatley caught up with the daredevil duo behind the scenes to find out why they've got their mum to thank for their BGT success, and why Billy defers all his style decisions to his sis - including his beard!

Golden buzzers and supercars: Stavros chats to Calum

Our man behind the scenes Stavros Flatley caught up with golden boy Calum Scott following his triumph on Saturday night.

The 26-year-old recruitment worker from Hull couldn't believe his luck when Simon pressed the golden buzzer for his performance of Dancing On My Own by Robyn.

Find out what Calum really thinks of the Judges' comments, and what he plans to buy with the prize money if he wins...