Biography
Alexandra Byrne is a British costume designer. She has worked in film since the early 1990s, with credits including period dramas such as Hamlet (1996), Elizabeth (1998), Finding Neverland (2004), The Phantom of the Opera (2004), Elizabeth: The Golden Age (2007), Mary Queen of Scots (2018), The Aeronauts (2019) and Emma. (2020).
Since 2011 she has designed costumes for several Marvel Cinematic Universe films, including Thor (2011), The Avengers (2012), Guardians of the Galaxy (2014), Avengers: Age of Ultron (2015), Doctor Strange (2016), The Flash (2023) and The Fantastic Four: First Steps (2025). She won the Academy Award for Best Costume Design for Elizabeth: The Golden Age and has received multiple further nominations for the award.


