Not here in the USA, but it did happen daily on the Australian version during Tony Barber\'s tenure. The hostess comes off it as she\'s being intro\'d at the top of the show.
EDIT: Jump to the 1:00 mark.
I always thought it would be neat if the turntable rotated the instant bargain offstage if the contestant didn\'t buy, similar to the way the big doors close on Price when the contestant loses the car on Ten Chances.