Sienna Miller has resisted the temptation to earn money from social media because she has a "natural aversion" to sharing her private life.

The 44-year-old actress - who is pregnant with her third child - has admitted she can understand why so many stars sign endorsement deals and use platforms like Instagram to rake in extra cash, but she's adamant she doesn't want to open up her personal life online.

She told The Telegraph newspaper: "In terms of having babies and not being away [from them for work] all the time, it's [making money through social media] appealing.

"How nice to open up your bathroom cabinet and say: 'Look, I've got such and such.' You can make a load more money sometimes than from films."

However, Sienna - who has only ever posted one picture on Instagram - won't be getting onboard any time soon. she added: "I had such an intense relationship with scrutiny when I was younger that I have a natural aversion to wanting to open up my private life ...

"I think I would have done it [used social media] then [during her early days in Hollywood] because it would have been something I could utilise to kick back against everything that was being put out there falsely about me."

Sienna - who is mother to 13-year-old daughter Marlowe - admits she worries about how social media is going to affect the next generation of young girls.

She told the publication: "I don't like when a phone becomes a mirror. I don't like what it does to teenage girls."

Sienna is mother to Marlowe with her ex-boyfriend Tom Sturridge while she also has a young daughter - who was born in 2023 - with her boyfriend Oli Green and she's currently expecting the couple's second child together.

The actress recently revealed she's planning to take time off this year to spend more time with her family, telling Grazia magazine: "I'm looking forward to taking some time off, being with my kids more consistently and surrendering to how random life is."

Sienna added: "That's something that I'm much more curious about as I get older - I have a much clearer understanding of how quickly life goes.

"I've always tried to fill my life with as much diversity as possible, and it's never been boring, so I'm excited to buckle up and continue whatever journey comes my way - the highs, the lows and everything in-between."