Sienna Miller Shares Whether a Teen, Toddler or Newborn Is ‘Harder to Juggle’ Weeks After Welcoming Third Baby

The actress, 44, appeared on ‘The Tonight Show Starring Jimmy Fallon’ on Thursday, May 14, three weeks after giving birthNEED TO KNOW

Sienna Miller is speaking out about being a mother to three children, after welcoming her third baby last month

  • The actress appeared on The Tonight Show Starring Jimmy Fallon on Thursday, May 14, just three weeks after giving birth
  • Miller told host Fallon when questioned on whether being a mom to a teenager, a toddler, or a newborn was “harder to juggle,” “The toddler now wins hands down”

Sienna Miller is speaking candidly about being a mom of a teenager, a toddler and a newborn.

During an appearance on The Tonight Show Starring Jimmy Fallon on Thursday, May 14, the actress, 44, who welcomed her third baby last month, opened up about which of her children were the hardest “to juggle.”

In addition to their newborn, Miller and boyfriend Oli Green, 29, welcomed their first baby together —  a daughter — at the end of 2023. The 21 Bridges star also shares daughter Marlowe, 13, with ex Tom Sturridge.

“I would have said the teenage girl would be harder to juggle until the transatlantic flight I took yesterday with the toddler and the newborn. The toddler now wins hands down. It was an absolute disaster. There’s no negotiating,” Miller told host Jimmy Fallon.

Sienna Miller during an interview on THE TONIGHT SHOW STARRING JIMMY FALLON
Sienna Miller on ‘The Tonight Show Starring Jimmy Fallon’ on May 14, 2026.Credit : Todd Owyoung/NBC via Getty 

She added, “And then the looks people give you on the flight … The baby’s screaming, she’s screaming. It was like, ‘Yeah.’ “

“I got to the immigration line and just broke down,” Miller admitted.

Sienna Miller during an interview on THE TONIGHT SHOW STARRING JIMMY FALLON
Sienna Miller on ‘The Tonight Show Starring Jimmy Fallon’ on May 14, 2026.Todd Owyoung/NBC via Getty 

Elsewhere in the interview, Miller joked about how she was surprised she was present for her appearance on the talk show just three weeks after giving birth.

“It’s crazy to be talking words and wearing a dress. What has happened from pajama gate,” she told Fallon.

When the host questioned if she knew where she was, Miller jokingly replied, “Nope, not a clue.” 

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Oli Green (L) and Sienna Miller
Oli Green and Sienna Miller.Sama Kai/Dave Benett/Getty

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Miller announced she had welcomed her third baby in an interview with E! News, published on Monday, May 11.

“It’s happened. I have a tiny baby next door,” she told the outlet. “It feels like stringing sentences together is a bit challenging.”

She added, “I’m on very little sleep, but I’m madly in love with my baby.”

Marlowe Sturridge, Sienna Miller and Oli Green cannes 05 19 24
Marlowe Sturridge, Sienna Miller and Oli Green.Dave Benett/Getty

The announcement came after Miller returned to Instagram on March 20 with a photo of her baby bump, following an 8-year hiatus from the social media platform. She’d previously debuted her bump at the 2025 Fashion Awards in London, which was held at the Royal Albert Hall in December.

Speaking with Glamour in an interview published in March, Miller spoke about why she felt “being pregnant in your 40s is the best.”

“Having had a baby at 29, and then having a baby at 42, and now 44, it’s so much easier when you don’t have the conflict of feeling scattered and like you want to be doing X, Y, Z,” she told the outlet.

“If I’m in bed at 9 p.m. with a book, I’m so happy now,” the actress added. “And now I’ve got the excuse to do it. Life is in a more grounded space. I think the 30s are chaos. You’re like, ‘I want to settle down. I want kids.’ “

Marlowe Sturridge and Sienna Miller attend the Proenza Schouler show during New York Fashion Week: The Shows
Marlowe Sturridge and Sienna Miller.Arturo Holmes/Getty Images for NYFW: The Shows

Miller went on to say that she’s more self-confident in her 40s. “But by the time you hit 40, you’re like, ‘I kind of know who I am. I don’t really give a s— about what anyone else thinks,'” she told the outlet. “I’m a much more grounded human.”

“We don’t judge men who are having kids in their 80s,” Miller added. “Why on earth is there any sort of narrative?”

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