Season 4 Episode 16 All it Cost Her… (Series Finale)

Reign Season 4 Episode 16 "All it Cost Her…" Photos (Series Finale)

Reign Season 4 Episode 16 "All it Cost Her…" Photos (Series Finale)

The CW has released the promotional photo gallery for the series finale of Reign titled "All it Cost Her...". Episode will air on June 19th.

In the episode: Mary makes a decision that will change the course of history.

Head over to Reign Episode Guide: “All It Cost Her” for the full description and promos of this episode.

 

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