Elsa Pataky shows off her youthful complexion as she celebrates her 45th birthday

Elsa Pataky shows off her youthful complexion as she celebrates her 45th birthday – after receiving sweet tribute from husband Chris Hemsworth

She celebrated her 45th birthday on Sunday, but Elsa Pataky’s youthful complexion defies her age.

In a post on Instagram on Monday, the Tidelands actress shared a photo of herself with her birthday cake after blowing out the candles.

Her smooth, clear skin, bright eyes and full brunette hair made her appear years younger, with Elsa showing off her age-defying beauty.

Forever young: She celebrated her 45th birthday on Sunday, but Elsa Pataky’s youthful complexion defies her age

‘Thanks to everyone for all my birthday congratulations. Love ya,’ she captioned the celebratory post. 

Meanwhile, Elsa’s husband of 11 years, Chris Hemsworth, paid tribute to his wife for her birthday in a sweet post on Instagram on Sunday.

‘Happy Birthday gorgeous @elsapatakyconfidential!!’ Chris, 37, captioned the post, adding a red love heart and streamers emojis.

Something to celebrate: Elsa's husband of 11 years, Chris Hemsworth, paid tribute to his wife for her birthday in a sweet post on Instagram on Sunday

Something to celebrate: Elsa’s husband of 11 years, Chris Hemsworth, paid tribute to his wife for her birthday in a sweet post on Instagram on Sunday

'I always tell women not to get scared [of] being muscly because it keeps everything up when you get older and everything starts sagging. So the only way to keep it up is the muscle,' she said

‘I always tell women not to get scared [of] being muscly because it keeps everything up when you get older and everything starts sagging. So the only way to keep it up is the muscle,’ she said

The Thor star also shared a series of photos of his wife, including pictures of them together.

In an interview with news.com.au’s body+soul in December 2019, Elsa revealed the secret to her youthful appearance.

‘I always tell women not to get scared [of] being muscly because it keeps everything up when you get older and everything starts sagging. So the only way to keep it up is the muscle,’ she said.

Keeping it in the family: The mum-of-three also credited intermittent fasting with helping her maintain a youthful glow, and said Chris' mum, Leonie (right), 60, had been a huge inspiration

Keeping it in the family: The mum-of-three also credited intermittent fasting with helping her maintain a youthful glow, and said Chris’ mum, Leonie (right), 60, had been a huge inspiration

The mum-of-three also credited intermittent fasting with helping her maintain a youthful glow, and said Chris’ mum, Leonie, 60, had been a huge inspiration.

‘The first person we knew who started [intermittent fasting] really strict was Chris’ mum, actually. She just looks amazing! She’s 60 almost, 59, and every year looks even better…’ she said at the time.

But despite her youthful good looks, Elsa added that she was loving being in her 40’s, calling it ‘the best age’: ‘I would never go back to my 20’s, I like this age. Like everybody says, your 40’s are like the new 20’s and I feel like this is true.’ 

'I would never go back to my 20's, I like this age. Like everybody says, your 40's are like the new 20's and I feel like this is true,' she said

‘I would never go back to my 20’s, I like this age. Like everybody says, your 40’s are like the new 20’s and I feel like this is true,’ she said