'Winter Soldier' Star Sebastian Stan Expecting First Child With Girlfriend: A Look Back at His Past Relationships

A major life update has emerged for Sebastian Stan as reports confirm he is preparing to become a father for the first time.

Sebastian Stan and Annabelle Wallis are expecting their first child together, according to reports published by TMZ. The couple, who have been together for close to four years, have not publicly confirmed details such as the baby's due date or gender.

The news comes during a busy period for both actors as they continue work on several upcoming projects. Stan is set to appear in the film 'Fjord' and the Marvel release 'Avengers: Doomsday,' while Wallis is preparing for the release of 'Mutiny,' in which she stars alongside Jason Statham, scheduled for August. She is also set to appear in Netflix's 'Unabomb,' a project centred on Ted Kaczynski.

A Private Relationship in the Public Eye

Stan has consistently kept his personal life out of public view. Speaking about privacy, he said, 'I feel like it's really difficult nowadays to be able to have any privacy whatsoever.' He added, 'It's the one part of my life that I try to keep somewhat for myself, even though it sort of ends up being out there.'

He has also addressed online rumours about his relationships. During a 2024 appearance, he said he had read claims suggesting he was 'trapped' and 'held against [his] will.' He responded by saying, 'I can't even go online anymore. I can't look. The delusion is just...'

Relationship Timeline With Annabelle Wallis

Stan and Wallis were first linked in May 2022. They were seen together at Robert Pattinson's birthday party, which marked the beginning of their relationship in public view. Based on this timeline, they have been together for nearly four years as of March 2026.

The couple have largely kept their relationship low-key. However, they appeared together on several red carpets in 2025 while Stan received nominations for his roles in 'The Apprentice' and 'A Different Man.' During his Golden Globes acceptance speech for 'A Different Man,' he publicly acknowledged Wallis, saying, 'Annabelle, I love you!'

Past Relationships Before Wallis

Before his current relationship, Stan dated Spanish actress Alejandra Onieva. The pair were first linked in summer 2020 after being seen together in New York City. Onieva later shared a post on 7 December 2020 with the caption 'walking on a dream,' showing the couple together.

Stan also marked their relationship anniversary with a video posted on 1 June 2021, suggesting they began dating in June 2020. Their last known posts together appeared in November 2021, though the exact timing of their split was not confirmed. The relationship took place during the COVID-19 pandemic, which required periods of long-distance contact.

Stan also previously dated Leighton Meester after meeting on the set of 'Gossip Girl' in 2008. He spoke about her in 2009, saying, 'She's the most interesting, sophisticated, talented and an extremely funny person that I know. She's really hilarious.' The couple separated in 2010 after about two years together.

Meester later described the breakup, stating, 'I've only had one experience where it was really hard and I was really sad when it ended, but that's what taught me a lot about myself and love and life—and that's good.' Stan has also referred to that relationship as a significant early experience, noting, 'It was the first time I was in serious love with somebody.'

Other Relationships and Dating History

Stan was briefly linked to Dianna Agron in July 2011. Reports indicated they separated by December of the same year, though they were later seen having dinner together on Valentine's Day in 2012. He was also reported to have dated Jennifer Morrison between 2012 and 2013 after meeting on 'Once Upon a Time.'

From 2014 to around 2016, Stan was in a relationship with Margarita Levieva.