Jay Leno: Jerry Seinfeld will be his first guest

The first musical guests on "The Jay Leno Show" have already been announced (Jay-Z with Rihanna and Kanye West), and now the New York Times is reporting that Jerry Seinfeld will also appear on the Sept. 14 debut. No word yet on whether Seinfeld, a fellow car buff with a valuable Porsche collection, will take Jay's "Green Car Challenge."

Meanwhile, the new issue of Entertainment Weekly (Aug. 21) has an interesting article about booking "Leno." According to EW's Lynette Rice, execs at ABC and CBS have "told their stars to just say no if bookers attempt to recruit them for 'The Jay Leno Show,'" which will compete with dramatic series on the rival networks. Rice also quotes a couple of Hollywood publicists about the elaborate booking rules for chat shows: for instance, David Letterman and Conan O'Brien "don't want to book A-listers who've just appeared on the other's late-night show," but Jimmy Fallon will "pretty much take anybody." In daytime, stars who show up on "Rachael Ray" or "Bonnie Hunt" should not expect to boogie down with Ellen DeGeneres.