Us Weekly reports that the birth took place in London, with no further details of the gender and name available yet.
News of Sienna Miller’s pregnancy broke in January, and the Alfie star was spotted wearing an engagement ring one month later.
Sienna Miller, 30, and The Boat The Rocked star Tom Sturridge, 26, have been dating for over a year.
The notoriously private star revealed to British Vogue recently: “Even though I’m under strict instructions not to say anything… I’m feeling fine.
“It’s all progressing nicely and it’s very exciting.”
“I feel very grounded, more than ever – it’s a wonderful feeling. But all of a sudden, I’ve started to get cravings. I usually don’t have a sweet tooth but these tarts I could eat all day long!”
Sienna Miller was last seen in late June cooing over Chris Hamsworth and Elsa Pataky’s baby girl India on a London street.
Weeks early, Sienna Miller and Tom Sturridge, who is best friends with Robert Pattinson, enjoyed a last pre-baby holiday in Italy.
Image source: Wikimedia Commons President-elect Donald Trump celebrated his election victory at the Ultimate Fighting…
Millions of voters across the US chose to return Donald Trump to the White House…
Donald Trump declares victory in the US election as he addresses jubilant supporters in Florida.…
Stocks around the world are rising as Donald Trump appears to be on the cusp…
Donald Trump has won Pennsylvania, North Carolina and Georgia and taken a lead over Kamala…
Quincy Jones, the celebrated musician and producer who worked with Michael Jackson, Frank Sinatra, Ray…