04/27/2011 09:15 am ET Updated Dec 06, 2017

Will Ferrell Delivers Royal Wedding Greeting On Letterman (VIDEO)

As the wedding of Prince William and Kate Middleton draws closer, it seems like Americans care more about the royal wedding than the Brits themselves. Case in point: Will Ferrell on Tuesday night's "Late Show."

During his interview with David Letterman, Ferrell appeared in a wedding tux and top hat and expressed his love for William and Kate. If that wasn't enough to prove he's got royal wedding fever, the "Other Guys" star got up out of his seat to deliver an elaborate greeting to the royal couple. Watch the whole thing below: