Marvel Studios' Thunderbolts* star Sebastian Stan looked almost unrecognizable after revealing his drastic hair ...

Sebastian Stan showed off his newly shaved head at the April 28 premiere of Thunderbolts* in Los Angeles. See his dramatic ...

The Bucky Barnes actor, typically seen with long, luxurious locks of hair, stepped out on the red carpet with a buzz cut and ...

Sebastian Stan fans can rest easy ... the star isn't having a Britney Spears-level meltdown -- 'cause he only shaved his head for a role.

"We are gathered here today to mourn the loss of sebastian stan's hair," someone else wrote alongside a mocked-up graphic of a gravestone with photos of his former hairstyles. "RIP SEB'S HAIR AND ...

Marvel at Sebastian Stan's new look. The Captain America star unveiled a major hair transformation on April 28, stepping out to the Los Angeles premiere of Thunderbolts*—in which he reprises ...