Behati Prinsloo confirms that she and Adam Levine are expecting their second child

Behati Prinsloo has announced that she's pregnant with her second child - less than a year after her and husband Adam Levine welcomed their first child, Dusty Rose, into the world.

The Victoria's Secret model took to her Instagram to share the exciting news, captioning the bump picture simply with: 'ROUND 2....'

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snap showed a fresh-faced Behati with her hair up in a high ponytail, wearing a bikini as she proudly showed off her baby bump.

The natural beauty's 5.1 million followers couldn't be happier for the 28-year-old model and her husband, Maroon 5 frontman Adam Levine. The candid image received 156k likes and over 20k comments congratulating the couple.

One fan wrote: 'Congratulations, so happy for you! :)', while another simply added: 'Omfg you guys are so fast'.

'No way! You're superb! I really miss you in VS but now the only thing I can imagine is not the scene you get your FB, it's the scene of little Dusty holding her tiny sis/bro ❤️❤️❤️ OMG! I just can't wait. Congrats mama Bee' wrote another fan.

Adam, 38, started dating Behati in May 2012, and they tied the knot in July 2014.

[instagram]

welcomed their first child, a daughter named Dusty Rose, almost exactly one year ago in September 2016.

In May this year Behati described motherhood to E! News at the 2017 Met Gala as 'heaven.'

Talking about her daughter, Dusty Rose she said: 'She's heaven... and she's sassy!'

Little Dusty made her public debut at Adam's Hollywood Walk of Fame ceremony in February of the same year.

During his speech, the new dad told the crowd: 'I have a daughter, I have the most beautiful wife in the entire world. I am one of the luckiest people who's ever lived and it has nothing to do with me.

'It has to do with the people who love me the most and so, I thank all of those people. I can't do it individually, but I thank you all.'