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Looks like she's totally forgotten all about their feud!

On Wednesday afternoon a cheerful Oprah Winfrey paid a visit to The Late Show with David Letterman to promote her new movie, The Butler, and this is the first time she's stopped by in eight years.

Lady O last graced the show with her presence in 2005 when she was making the rounds to promote The Color Purple, and while the two reportedly made nice after a 16-year feud that started in 1989, we had to wonder why she hadn't appeared on the show since then. (As you may recall, Dave gave Oprah a hard time about a dine and ditch tab, and then joked about it when he hosted the Academy Awards in 1995.)

But forget about Letterman -- we can't wait to see what happens when Oprah sits down with Lindsay Lohan next month for the starlet's first post-rehab interview. You know, the one OWN paid a cool $2 million for?