Screen Shot 2013-03-28 at 12.12.15 PM Anna Kendrick and f(x) are unlikely co-stars in a new Funny or Die video in which the Twilight star attempts to join the Kpop supergroup. Pushed by her agent to embrace the Hallyu wave, Anna tries to fit into the fierce, colorful and fun world of Korean pop, even if it requires her learning how to avoid saying "diarrhea" in Korean. Check out the video here, and let us know what you think!