Pia Miller shares high school photo and picture as a young mother

She’s been celebrating her engagement to American multimillionaire agent Patrick Whitesell. 

And former Home and Away star Pia Miller treated her Instagram fans on Sunday to never-before-seen photos from her younger years.

Posting to her Stories, the 37-year-old proved she hasn’t aged a day since high school, and shared a candid black and white photo of herself as a ‘teen mummy’.  

Memories: Pia Miller, 37, proved she hasn’t aged a day since her high school years. The actress shared this photo of herself in high school to Instagram Stories on Sunday 

In her high school photo, Pia donned a green and white uniform and had her brunette locks tied into a ponytail.  

She smiled at the camera, showing off her dimples and big brown eyes. 

A later black and white shot saw Pia asleep in bed with her newborn son sleeping next to her.

Motherhood: The former Home and Away star also shared this black and white photo of herself as a 'teen mummy', sleeping in bed next to her newborn son

Motherhood: The former Home and Away star also shared this black and white photo of herself as a ‘teen mummy’, sleeping in bed next to her newborn son 

Her pride and joy: Pia is a proud mother to sons Isaiah, 17, and Lennox, 13 (both pictured), who she shares with former partners

Her pride and joy: Pia is a proud mother to sons Isaiah, 17, and Lennox, 13 (both pictured), who she shares with former partners 

The Chilean-born actress is a proud mother to sons Isaiah, 17, and Lennox, 13, who she shares with former partners.  

Last month, Pia announced she was engaged to multimillionaire agent Patrick, 55, in an Instagram post, proudly showing off her incredible sparkling diamond ring.   

In the picture, Pia and Patrick held onto glasses of sparkling wine and shared a celebratory toast, in front of a vista. 

Happy news: Last month, the Chilean-born star announced she was engaged to American multi-millionaire agent boyfriend Patrick Whitesell, 55, in an Instagram post

Happy news: Last month, the Chilean-born star announced she was engaged to American multi-millionaire agent boyfriend Patrick Whitesell, 55, in an Instagram post 

Wedding bells: In this stunning photo, Pia proudly showed off her incredible sparkling diamond ring. The couple held onto glasses of sparkling wine and shared a celebratory toast, in front of a vista

Wedding bells: In this stunning photo, Pia proudly showed off her incredible sparkling diamond ring. The couple held onto glasses of sparkling wine and shared a celebratory toast, in front of a vista 

Pia was first linked to the Hollywood power agent in August last year, following her split with her longtime fiancé, Tyson Mullane, 32.

In April last year, The Daily Telegraph reported that Pia and Tyson had ‘amicably’ ended their 18-month engagement, with Tyson moving out of their Sydney home. 

Meanwhile, Pia and Patrick made their public debut at a Halloween party in Los Angeles in October that year, amid reports they’d started dating back in May. 

Timeline: Pia was first linked to the Hollywood power agent (pictured) in August last year, following her split with her longtime fiancé, Tyson Mullane, 32

Timeline: Pia was first linked to the Hollywood power agent (pictured) in August last year, following her split with her longtime fiancé, Tyson Mullane, 32 

She finally made their relationship ‘Instagram Official’ last Christmas Eve, sharing a loved-up photo with Patrick outside of the Louvre in Paris, and captioning it ‘P²’.

The couple made their red carpet debut at this year’s Academy Awards held in Los Angeles in February.  

Pia and Patrick’s romance follows the breakdown of Patrick’s marriage to Lauren Sanchez, who is now reportedly engaged to Amazon boss Jeff Bezos.   

Former flame: In April last year, The Daily Telegraph reported that Pia and Tyson (pictured) had 'amicably' ended their 18-month engagement, with Tyson moving out of their Sydney home

Former flame: In April last year, The Daily Telegraph reported that Pia and Tyson (pictured) had ‘amicably’ ended their 18-month engagement, with Tyson moving out of their Sydney home 

The former couple wed in 2005 and reportedly separated towards the end of 2018. 

Patrick is the CEO of Hollywood talent agency WME and represents the likes of Ben Affleck, Matt Damon and Hugh Jackman.  

He is worth an estimated US$440million (AU$630million), according to Forbes.  

Respected: Patrick is the CEO of Hollywood talent agency WME and represents the likes of Ben Affleck, Matt Damon and Hugh Jackman. He is worth an estimated US$440million (AU$630million), according to Forbes

Respected: Patrick is the CEO of Hollywood talent agency WME and represents the likes of Ben Affleck, Matt Damon and Hugh Jackman. He is worth an estimated US$440million (AU$630million), according to Forbes