 Robin Thicke performed instead, but Colbert aired the video as originally planned.Tek Jansen made a final cameo appearance on the very last episode of "The Colbert Report" on December 18, 2014, as part of a montage of a number of celebrities singing "We'll Meet Again".Jansen sings it in a stilted way reminiscent of William Shatner's famous 1977 spoken word performance of "Rocket Man".