This sweet movie is centreed on four friends, going back-and-forth between the formative summer of 1970 and the present day, when the four besties are reunited by one of the women's pregnancies. Besides having an all-star cast (which includes Demi Moore, Christina Ricci, Rosie O'Donnell, Rita Wilson, Thora Birch, Melanie Griffin, and Gaby Hoffman), Now and Then covers everything from divorce to death to puberty, and it's sure to tug on your heartstrings.