It seems the only person who can get Demi Lovato to learn an Icelandic accent is Will Ferrell. During her appearance on The Kelly Clarkson Show on June 25, the 27-year-old singer talked about her role as Icelandic pop singer Katiana in Eurovision Song Contest: The Story of Fire Saga before Kelly Clarkson challenged her to a round of "What Will Ferrell Say Next?"
Lovato kicked things off by finishing the most iconic quote from Talladega Nights: "If you ain't first, you're last." Taking things to the next level, neither person was able to finish this quote from Anchorman: "They named it San Diego, which of course in German means . . ." We'll let you fill in the dots. Watch the full clip above as they complete quotes from films like Elf and Step Brothers, and find out who the bigger Will Ferrell fan actually is.