By: Funny Or Die Funny or Die Presents Dips for April Fools Day 2015, including Dips from: Will Ferrell Adam McKay Richard Linklater Mark Cuban Puff Daddy Britney Spears Kathie Lee and Hoda Conan O ‘Brien Hannibal Buress Judd Apatow Vince Gilligan Kevin Hart Lena Dunham Jon Hamm Foster the People Arnold Schwarzenegger Matt Lauer Savannah Guthrie Charlie Day Tom Hardy Terry Crews Ryan Seacrest Patton Oswalt and Rob Lowe Ringo Starr Billy Crystal Zooey Deschanel Lamorne Morris Fred Willard...