One Direction opened Children In Need 2012 this evening with a live performance of Live While We're Young
It was a second year in a row that the X Factor stars had opened the telethon, with their second number one single!
One Direction said: “It’s an honour to open BBC Children in Need’s Appeal show again this year and we are so excited about performing on the big night.
"Children in Need is such an important cause, one which we are always thrilled to support.”
The show continues until the early hours on BBC One and Two, with features and performances from stars including Girls Aloud and Little Mix.
Watch One Direction on Children In Need below...