Naomi Watts is finding motherhood "hard work".

The "Eastern Promises" star and her fiance Liev Schreiber welcomed their first child together in July, and she admits it is exhausting looking after the baby.

Naomi, 39, said, "I love being a mother! It's hard work though. Hard work. Luckily what I do isn't like a regular office job."

The "Mulholland Drive" star also revealed she plans to make fewer films so she can spend more time with her son Alexander.

She said, "After 'Mulholland Drive' I did go a little crazy, doing two or three things a year. Then after 'King Kong' I had a year off, made 'The Painted Veil' took another eight months off, did 'Eastern Promises' and 'Funny Games' back to back and then had my pregnancy."

"So I've slowed down and I want to stick with just one or two films a year now. I'm OK right now. I'm sure more will come, but I wanted to be a mother for so long and that was a really big deal for me."

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