VIDEO : Sebastian Stan Was Worried Tom Hiddleston Was Dating Taylor Swift

Avengers: Infinity War star Sebastian Stan admits he was ?really worried? for Marvel co-star Tom Hiddleston when it was revealed the Loki actor and country-slash-pop star Taylor Swift were an item in 2016. Asked about his reaction to the news during a visit to Watch What Happens Live with Andy Cohen, Stan said it was ?one of awe and extreme concern.? ?I don?t know, I was really worried ? mainly for him.? The globe-trotting lovers were seen out and about in Los Angeles, New York, and Italy, prompting rumors the high-profile relationship was a stunt.