Ryan Reynolds and Cailey Fleming in <em>IF</em>.
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Ryan Reynolds and Cailey Fleming in IF. / Paramount Pictures

In the new movie IF, a 12-year-old girl (Cailey Fleming) discovers she can see other people's imaginary friends. It stars Ryan Reynolds, and directed by John Krasinski. It mixes the real world and animation, but does it capture the heart of the Pixar movies that inspired it?