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5 November 2012, 10:30
The 'Hottest Girl In The World' band also say they can't wait to see One Direction perform at the event.
JLS have promised and "amazing" performance when they play the Capital FM Jingle Bell Ball 2012 next month and have admitted they also are "really excited" to see their friends One Direction perform.
The 'She Makes Me Wanna' four-piece were announced for the Saturday line-up of this year's Ball over the weekend, and join acts including Bruno Mars, Cheryl Cole, Lawson and Little Mix for the first day of the event at London's O2 Arena.
"That's going to be an amazing gig," JLS star Marvin Humes told Capital FM after the announcement. "You know, the line-up is incredible.
"We're really excited to see the One Direction boys performing," he explained. "It's going to be a great day."
Marvin's bandmate JB Gill also spoke about their Jingle Bell Ball performance and said fans can expect a show similar to that of stage magicians like David Blaine and Dynamo.
"If you get The Matrix and you put that in a pot and you mix in David Blaine or Derren Brown or Dynamo, those kind of guys there, put that in the pot too," JB teased. "Mix in heartfelt songs, a bit of uptempo dance tracks, grabbing [and] a bit of touching!"
Check out a picture of JLS at the premiere of Skyfall in October below (Credit: PA):
The Capital FM Jingle Bell Ball 2012 is set to take place over two days on 8th and 9th December.
JLS launched their brand new album 'Evolution' today (5th November), which features their recent hit single 'Hottest Girl In The World'.
Listen to JLS talking to Capital FM about playing the Jingle Bell Ball this year below: