Why Sebastian Stan Shared A Pic Of His Bare Butt

Sebastian Stan smiling with hand on face
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Sebastian Stan sent his fans into a frenzy by sharing a risqué photo on his Instagram page. The Falcon and the Winter Soldier star had his backside bared, and Bucky Barnes had a perfectly good reason for helping his followers kick their Monday blues in the butt by showing off his buns of steel. 

Sebastian, 38, was pictured standing in the middle of a deserted street at night. Strings of star-shaped lights hung over his head, and there appeared to be a few headlights in the distance. 

Streaking In The Street

Sebastian Stan on the beach.
Gettyimages | Neilson Barnard

Sebastian had on a dark gray puffer jacket with a hood. On his feet, he wore a pair of black crew socks and white sneakers. However, it was what he did not have on that his fans immediately noticed. The Avengers: Endgame actor wasn't wearing pants or underwear, and he was also holding his coat open.

In his caption, Sebastian admitted that his racy pic was a shameless promotion for a new movie titled Monday

"Out this Friday, April 16. When I say we gave it our 'all', we literally did," he wrote.

So What Is 'Monday' About?

Sebastian didn't reveal whether he goes bottomless in Monday, but after he grabbed his fans' attention with his glutes, he directed them to check out the movie's website. In the trailer, he appears shirtless a few times and totally rocks a pair of tighty-whities. 

The movie costars Denise Gough as his love interest. It's a romance with a synopsis that feels inspired by Before Sunrise, the 1995 classic starring Ethan Hawk and Julie Delpy. 

Sebastian and Denise play two Americans living in Athens, Greece. They meet over the weekend, and sparks fly. But will the pair prove that "one weekend’s passion can stand the reality of the inevitable Monday?"

Sebastian's Cheeky Snapshot Possibly Backfired

Few of the responses to Sebastian's photo had anything to do with the movie. 

"Well THAT got everyone’s attention," wrote Grey Gardens director Michael Sucsy in the comments section of his post. 

"Thank you for your service," read a message from a thankful fan. 

"What a beautiful night. The full moon is out," observed another admirer. 

A large number of fans also imagined how Sebastian's The Falcon and the Winter Soldier costar, Anthony Mackie, would react to seeing his pal's cheeky pic. 

"'You ever see a man this good looking walking the streets? He’s killing all the ladies pow pow pow pow' - Anthony Mackie," wrote a fourth Sebastian stan. 

Anthony actually made the lady-killing comment during an Entertainment Tonight interview.

Sebastian's Sexy Upcoming Role

Sebastian's fan might be seeing a lot more of him in the future. As reported by Deadline, the Gossip Girl star was cast as Mötley Crüe drummer Tommy Lee in the Hulu limited series Pam & Tommy. 

The drama is about the sex tape that Tommy and his former wife, Playboy Playmate Pamela Anderson, filmed in 1995. It was stolen by vengeful electrician, and soon it was being viewed by millions. Cinderella actress Lily James will portray Pamela. Other cast members include Seth Rogen and Nick Offerman.