The Mamma Mia! sequel’s flaws are overridden by infectious moments that, to take a cue from ABBA, you couldn’t escape if you wanted to.
Like its predecessor, John Madden’s film is a charming example of what great actors can do with mediocre material.
It panders to viewers by diluting its lesson, which teaches that some comfort zones can only be truly abandoned on the other side of the world.