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when does pretty little liars season 7 end
Pretty Little Liars Season 7 ended on June 27, 2017.
how many episodes was pretty little liars season 7
The season consisted of 20 episodes, in which ten episodes aired in the summer of 2016, with the remaining ten episodes aired from April 2017.

Question: what happens in the last episode
Self-contained rewrite: what happens in the last episode of pretty little liars season 7