Vikings' Season 5 News: Bjorn Explains Why He Slept With Lagertha's Girlfriend

Season 4 of History Channel’s Vikings saw Bjorn Ironside sleep with his mother’s girlfriend, Astrid. The actor who plays Bjorn, Alexander Ludwig, explained his character’s reasoning at the recent Vikings panel at San Diego Comic-Con. SPOILER ALERT: This article discusses Season 4 of History Channel’s Vikings.

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