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JLS told Capital how surreal it was to perform alongside the Jackson brothers in Cardiff.
The boys were part of the Michael Forever concert at the Millenium Stadium, which also saw the likes of Ne-Yo, Cee Lo Green and Alexandra Burke perform in memory of the late singer.
JLS told us backstage how it was a dream come true to sing with the Jacksons. After a stunning performance of 'The Way You Make Me Feel', the lads were joined on stage by Tito, Marlon and Jackie for a rendition of 'Blame It On The Boogie'.
Listen to JLS talking to Kevin Hughes backstage...