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The Capital Late Show with Marvin Humes 10pm - 1am
7 October 2012, 10:04 | Updated: 8 October 2012, 08:44
The 'She Makes Me Wanna' stars also say they were impressed by Ella Henderson's performance at this weekend's live show.
JLS have come out in support of The X Factor UK contestants Jahmene Douglas, James Arthur and Ella Henderson after the series' first live shows this weekend.
'Take A Chance On Me' singer Marvin Humes shared his opinion on the ITV1 show's first live episode last night (6th October), and named his picks for potential winners this series.
"Just saw the last 7 acts," JLSstar Marvin Humes posted on Saturday night. "I'm putting it out there I predict Jahmene will win.
"Its Week 1, a long way to go but he's sick!! Marv x #xfactor," he continued, before also praising Ella Henderson: "Ella was incredible! Just 16 years old! Amazing M x."
The 'Proud' singer went on to say that he had "liked James from the start", referring to judge Nicole Scherzinger's act James Arthur, as well as saying Gary Barlow's act Kye had "smashed" his cover of Michael Jackson's 'Man In The Mirror'.
JLS are currently preparing for the release of their brand new single 'Hottest Girl In The World' on 21st October, which will be followed by their fourth album 'Evolution' on 5th November.