United Kingdom, March 23 -- 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." ...