Last night, Alexandra Burke took to the stage to perform a unique collaboration with cast members from the West End show Les Misérables for BBC Children In Need's POP Goes the Musical!

Alexandra Burke Performs in Les Miserables

Alexandra Burke at BBC Children in Need POP Goes the Musical 2012. For tickets please visit www.lastminute.com/pudsey

Singing Eponine's signature song "On My Own", the X Factor winner took to the stage with her rendition after the curtain call as part of the annual event.

Alexandra Burke Performs in Les Miserables
Alexandra Burke with Pudsey at BBC Children in Need POP Goes the Musical 2012. For tickets please visit www.lastminute.com/pudsey

The celebrities are involved in a series of unique curtain calls at a variety of West End theatres including Geri Halliwell who will be adding her own spice to Singin’ in the Rain, the boy band Blue will be taking on Jersey Boys, plus Macy Gray and chart-busters Stooshe will each separately put their own spin on a Michael Jackson classic in Thriller Live!

Alexandra Burke Performs in Les Miserables
Alexandra Burke with Cast of Les Miserables at BBC Children in Need POP Goes the Musical 2012. For tickets please visit www.lastminute.com/pudsey

Burke said: “That was amazing! I’m so excited to be part of BBC Children In Need this year. It's an amazing cause and helps so many people. I was absolutely blown away by Les Misérables when I saw the show and to join the cast of one of the West End’s most famous musicals was a real honour.”

Alexandra Burke Performs in Les Miserables

Danielle Hope & Alexandra Burke at BBC Children in Need POP Goes the Musical 2012. For tickets please visit www.lastminute.com/pudsey

Alexandra Burke Performs in Les Miserables
Danielle Hope & Alexandra Burke with Cast of Les Miserables at BBC Children in Need POP Goes the Musical 2012. For tickets please visit www.lastminute.com/pudsey