Mariah Carey had a close call, slipping on a step, during her entrance on “The Jay Leno Show,” but remained a good sport, discussing her wedding, angelic Halloween costume, and homely role in Precious. She left the late-night host with a “Standing O” of his own while applying her perfume.

“You should be very proud of that. You did a wonderful job,” Leno said of her buzzed-about performance in the film. “Good luck at the Oscars!”