Sienna Miller is finding pregnancy in her 40s 'so much easier' than her 20s Actress Sienna Miller has told how she is finding being pregnant in her 40s "so much easier" than her 20s, because she is in a "more grounded space" now, and she doesn't care "what anyone else thinks" 24 March 2026 Sienna Miller is finding being pregnant in her 40s "so much easier" than her 20s.