Scott Mills will narrate a Radio 1 Storiesdocumentary all about One Direction on Monday evening.
As the band breaks America with their debut album, Scott Mills gets access-all-areas to find out what it’s like to be in the biggest boy band around.
You can listen to a sneak preview of the documentary here on YouTube.
Fans are also encouraged to tweet @BBCR1 during the programme, using the hashtag #radio1direction.
The documentary will air Monday 2nd April at 9pm on BBC Radio 1.