sersha Ronin is dating Jack Loden her co-star in Mary Queen of Scots page six has exclusive knowledge that Irish Beauty sersa Ronan is dating her co-star Jack Loden from Mary Queen of Scots at a celebrity screening of their new film on Tuesday night the 24-year-old three-time Oscar nominee Ronin showed up with the attractive 28-year-old Loden according to sources they appeared very close at The Tavern on the Green Afterparty according to a source Jack was following her everywhere he even waited for her outside the restroom having followed her there they had a close relationship another source said that the pair were joined at the party by ronan's Mom Monica Before Ronan had to head for a flight back to the set of Greta gerwig's in production Little Women which wraps in a week and also Stars Emma Watson Merill Streep and Timothy Shalom Ian Mary Queen of Scots Loden who previously starred in Dunkirk plays ronan's onscreen husband Lord darnley a bisexual cheater with an unfortunate fate offscreen Ronan was at first believed to be dating loden's ballet dancer brother Callum after they met at the baftas this year but more recently eagley fans have spotted Ronan with Jack on vacation in the Dominican Republic and other spots