Katie Couric Does Best April Fool’s Joke on ‘The Late Late Show’ [VIDEO]

Yesterday was April Fool's Day and a lot of celebrities came out with their A-game for the day. Bob Barker returned to host The Price Is Right and received a standing ovation from the audience.

But, the best prank of the day came from Katie Couric. She was a guest on The Late Late Show with James Corden. When she was introduced, she came out and fell down a flight of stairs. It was actually a stunt-double who took the fall.

Everyone was in on the joke, except host James Corden. The video is great. Check it out!