The always funny Will Arnett hit “Late Show with David Letterman” on Tuesday and made a starting confession that made Letterman applaud, the “Up All Night” star revealed to viewers that he has a “particularly big head.” The confession prompted Letterman to immediately tweet the news to followers, which caused Arnett to use the opportunity to issue a “challenge” to NBC’s Jimmy Fallon using the hashtag #Ihaveagianthead. “Take that Fallon!”
Watch the exchange in the clip below…
[iframe http://xfinitytv.comcast.net/tv/Late-Show-With-David-Letterman/90389/2183225527/David-Letterman—Will-Arnett-Tweets-Jimmy-Fallon/embed 580 476]
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