In his penultimate breakfast broadcast, Radio 1 DJ Chris Moyles recorded a spoof track with chart-toppers Rizzle Kicks.
As well as joining the band to record the single, Chris also interviewed the duo in front of more than 200 guests at BBC's Radio Theatre.
Chris, 38, also watched a montage which showcased the highlights of his eight-year career on the show.
Comedy duo Ant and Dec also appeared on the programme, hosting a spoof version of This Is Your Life.
Chris will bow out from the show on Friday.
Fellow Radio 1 DJ Nick Grimshaw is to take over the programme later this month.
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