http://tags.gawker.com/assets/base/img/thumbs140x140/gawker.com.png http://gawker.com/tag/defamer/timelyreferences http://gawker.com/tag/defamer/timelyreferences David Letterman's Late Night couch has become the one-stop shop for celebrity revelations these days, whether it's Mindy Kaling breaking out her trusty Apu impression or Rosie Perez mistaking her co-star for a popular follicle stimulant. Late Show mainstay Richard Simmons at first seems poised for a similar breakthrough moment as he pulls a Tom Cruise, climbing aboard Dave's couch in this clip (preserved after the jump). However, instead of shouting out his adoration for a CW starlet, the exercise guru makes an impassioned plea for...physical education. Head in hands, Simmons' long-suffering publicist put in a reassuring call to Blake Lively ("The plan is still on — I swear!") and booked a romantic do-over on the next episode of Tyra. [CBS]

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