Ryan Reynolds stars in “IF,” the film written and directed by John Krasinski about reuniting adults with their childhood imaginary friends. “Extra’s” Tommy DiDario caught up with Ryan, John and John’s wife Emily Blunt, who is also in the movie, at their NYC premiere. Ryan spoke about how his kids inspire him with their imagination, while John confessed it was “emotional” watching the movie with his daughters. Emily echoed his sentiments and shared how John made the film as a “love letter” to their girls. “IF” is in theaters now.