Sienna Miller to announce shock retirement from acting?

  • By Smith Alexander
  • London
  • Last updated on

Miller created a stir on Thursday when rumors have surfaced that her career was over.
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Sad news for Miller fans. Speculation had been rife that the British actress best known for her roles in G.I. Joe: The Rise of Cobra, Factory Girl or Layer Cake, will announce her retirement from acting, at age 43, with immediate effect.

UPDATE 05/12/2025 : This story seems to be false. (read more)

Being an actress isn't fun anymore

“As we get older, there are phases of life that we enter into, and being an actress just isn't fun anymore,” she might have said, says a source who remained anonymous. Other reports hinted that she may branch out into other creative fields she is better at (and more interested in), though they didn't provide any details.

#ThankYouSienna

For a little while on Thursday evening, #ThankYouSienna was a trending hashtag on Twitter. As many fans reminisce and look back on all the unforgettable memories, some may wonder what about now made her make the decision.

“You’ve accomplished everything I ever dreamed of #ThankYouSienna.”
— @DesireePlum, 4 Dec 2025
“Didn't Sienna Miller retire about 3 years ago?”
— @samy2love, 4 Dec 2025

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