Jane Fonda's character in the movie attended the Woodstock Festival in 1969 while pregnant. Her water broke during Jimi Hendrix's rendition of "The Star-Spangled Banner". Catherine Keener, who plays the daughter, was actually born in 1959 - ten years before her character.
In this movie, Jane Fonda plays an eccentric hippie named Grace, who has an uptight daughter, with whom she doesn't get along. In Grace and Frankie (2015), Jane Fonda plays an uptight woman named Grace who doesn't exactly always get along with Lily Tomlin's character, Frankie, who is an eccentric hippie.