Alexander Ludwig Friday celebrated his 29th birthday. The Vikings star received birthday greetings from his thousands of fans on social media.
Katheryn Winnick. who played his mother in "Vikings", also shared a picture with his on-screen son to wish him on his birthday.
Alexander, who played Bjorn Ironside, the son of Lagertha and Ragnar Lothbrok, tied the knot with his girlfriend Lauren Dear in January this year.