The tearaways were up till 4am making loads of noise when an angry knock at the door brought their fun to a crashing halt.
Jon opened the door to be greeted by the surprising sight of Travis frontman Fran Healy, who was staying in the room next door!
The indie stars admitted S Club's rock n'roll antics were too much for them at a gig at the Birmingham NIA.
Fran added that Jon, who he described as the "blondie haired one", is "wee" and "a lot shorter than he looks on TV."
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