Fiona Falkiner's fiancée Hayley Willis celebrates as their son Hunter reaches major milestone

Hayley Willis welcomed her first child, son Hunter, with her fiancée Fiona Falkiner, earlier this year.

And on Thursday, the sports reporter, 31, revealed their pride and joy had achieved a major milestone in a post on Instagram.

'This guy hit 3 months this week and has decided daytime naps are a thing of the past,' she wrote.

Achievement: Hayley Willis and Fiona Falkiner celebrated as their son Hunter reached a major milestone on Thursday all  

Hayley continued: 'It's really working out well for everyone involved. No one here is exhausted at all.'

In the short clip shared to her Instagram story, Hayley can be seen smiling while cradling her adorable little boy.

It comes weeks after the trio paid tribute to their their 'rainbow family' with a post celebrating Pride Month. 

Tired: 'This guy hit 3 months this week and has decided daytime naps are a thing of the past,' she wrote over footage of Fiona cradling her little boy

Sporting a singlet with a LGBTQ rainbow motif, while holding a heart balloon with the same pattern, Hayley beamed for the camera. 

Between the new mums sat a pride-themed SodaStream, which the pair were promoting. 

Fiona wrote in her caption:  'Yay it's Pride month and @sodastreamau asked us to share our Rainbow Story. 

Sweet: Fiona welcomed her first child with her fiancée Hayley, earlier this year. Earlier this month, the trio were paying tribute to their their 'rainbow family'. All pictured 

Fiona wrote in her caption: 'Yay it's Pride month... Well this is us, our little rainbow family filled with love and hope for the future'

'Well this is us, our little rainbow family filled with love and hope for the future'. 

June is lesbian, gay, bisexual and transgender Pride Month, and celebrated annually to honour the 1969 Stonewall riots. 

It comes after Fiona revealed she and Hayley are ready to become second time mothers. 

'I think we are going to have another one pretty soon actually,' Fiona told The Daily Telegraph.

Fiona and Hayley welcomed their son Hunter into the world on Monday, March 22. 

New addition: Fiona and Hayley welcomed their son Hunter into the world on Monday, March 22 - and announced his arrival via a sweet Instagram post