They’re gearing up for the release of “Eclipse” on June 30th, and Robert Pattinson, Kristen Stewart, and Taylor Lautner are all set to embark on a massive promotional tour. Miss Stewart has been booked to appear on “The Late Show with David Letterman” coming up on June 28th.

Meanwhile, Edward Cullen actor Robert Pattinson is scheduled to drop in on “The Tonight Show with Jay Leno” on June 15th. And Taylor Lautner will pay a visit to “The Late Show with David Letterman” on July 1st, following the opening night craziness.