It's no shocker that celebs can be very different backstage at a late-night talk show than they are on the air.

But even if you aren't surprised by the diva antics detailed in a new book by a former producer for The Tonight Show With Jay Leno, you'll still be entertained by the examples laid out. Dave Berg, who was hired as a segment producer by Leno in 1992, dishes up helpings of celeb dirt and on-set scoop in Behind the Curtain: An Insider's View of Jay Leno's Tonight Show, available from Pelican Publishing on June 30.

Examples at link: