Will grandmas like The Change-Up, a raunchy new body-switch comedy from Wedding Crashers director David Dobkin? Stars Ryan Reynolds and Jason Bateman don't think so, but in this hilarious new promo, they are asked to sell the film as an all-ages, all-lifestyles outing that will appeal to all four quadrants of the movie-going public. Check out the clip below, which proves to have more laughs than the actual film itself.