Regis Philbin, David Letterman Kiss On 'Live! With Regis And Kelly' (VIDEO)

11/16/2011 04:40 pm ET

David Letterman appeared on "Live! With Regis and Kelly" Wednesday morning and reminisced on his longstanding friendship with Philbin. Letterman was one of the many high profile guests scheduled to bid Philbin farewell during his final week on the show.

Philbin presented Letterman with his own "Top 10 List" that highlighted all the reasons why he "loves" Letterman. The list was supported with hilarious video footage from previous Letterman appearances on "Live!," that included some awesome shots of Kathie Lee Gifford's hairdos from years past.

Letterman however, took their friendship to the next level on Wednesday morning. As Philbin was wrapping up the interview, Letterman lept from his chair and grabbed Philbin's face. Towering over the "Live!" hosts, Letterman planted one right on Philbin's lips. Philbin looked visibly stunned as Ripa giggled in the seat next to him.

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