Caitriona Balfe shared some sweet posts to wish her “Outlander” co-star Sam Heughan a very happy birthday Friday.

Balfe shared a hilarious slow-mo video of the actor in costume to mark the special occasion.

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Balfe posted another snap on Twitter of Heughan showing off an injured leg on set while watching a game on his phone.

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Heughan thanked everyone who had wished him a happy birthday, sharing a snap of himself in the gym, revealing his “borthday workout.”