Watch the cast of Joseph and the Amazing Technicolor Dreamcoat's live performance on on Britain's Got Talent here.
Stars Sheridan Smith and Jason Donovan joined the company of the West End musical on ITV to perform a medley of songs from the show.
Joseph and the Amazing Technicolor Dreamcoat will open at the London Palladium on June 27 for an 11-week engagement.
Sheridan Smith plays the role of narrator while Jason Donovan - who previously played Joseph at the Palladium in the 1990s - takes on the role of Pharaoh.
You can watch the live performance of Joseph and the Amazing Technicolor Dreamcoat on Britain's Got Talent below...
Written by Andrew Lloyd Webber and Tim Rice, Joseph and the Amazing Technicolor Dreamcoat first premiered in the 1970s and has gone on to become one of the world's most widely recognised and performed musicals.
Featuring songs like Any Dream Will Do, Close Every Door, and Go, Go, Go, Joseph, productions have received 6 Tony nominations and 7 Olivier Award nominations.
Meanwhile, other guests on Britain's Got Talent this year included Gloria Estefan joining the cast of musical On Your Feet! The Emilio and Gloria Estefan Musical to perform a medley of her greatest hits including Rhythm is Gonna Get You and Turn the Beat Around.
Tuesday's show featured the amazing cast of West End musical Six while Wednesday night saw X Factor winner James Arthur. Thursday night saw K-pop supergroup BTS on the stage.
In the final on Sunday, Susan Boyle and Michael Ball dueted on A Million Dreams while Diversity present a fantastic high-energy dance performance.
Britain's Got Talent airs on ITV.