'He's marrying a granny!' Lisa Curry will be accompanied by two-month-old grandson Flynn as she weds Elvis-impersonator fiancé Mark Tabone in private Queensland ceremony

She will tie the knot with her Elvis-impersonator fiancé Mark Tabone on Friday.

And ahead of Lisa Curry's special day, the Australian Olympic swimming champ revealed her two-month-old grandson, Flynn, would accompany her down the aisle.

In an adorable video posted to Instagram on Thursday, Lisa, 55, held the tiny tot in her arms as she joked: 'Mark is marrying a granny!' 

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'He's marrying a granny!' Lisa Curry will be accompanied by two-month-old grandson Flynn as she weds Elvis-impersonator fiancé Mark Tabone(RIGHT) in private Queensland ceremony 

'He's marrying a granny!' Lisa Curry will be accompanied by two-month-old grandson Flynn as she weds Elvis-impersonator fiancé Mark Tabone(RIGHT) in private Queensland ceremony 

Rocking the newborn in her arms, Lisa added in the clip: 'And you're [Flynn] going to come down the aisle with us, beautiful little man.'

 Lisa's eldest daughter Morgan Kenny, 27, had Flynn - full name Flynn Melchior Gruell - with husband Ryan Gruell in March.

Clearly excited for her chance to say 'I do' to her beau, she captioned the video: 'Big day tomorrow. I can't wait.'  

The big day! A wedding sign was spotted at Lisa Curry's Sunshine Coast property on Friday ahead of their private ceremony

The big day! A wedding sign was spotted at Lisa Curry's Sunshine Coast property on Friday ahead of their private ceremony

A wedding sign was spotted at Lisa's Sunshine Coast home on Friday, bearing three arrows with the words 'Wedding', 'Mark', and 'Lisa' written in pink.

Lisa announced her engagement to Mark, 50, in December 2016.

Taking to Instagram on Monday, the former competitive swimmer shared pictures from her 'raging hens night' to fans.

'You're [Flynn] going to come down the aisle with us': Lisa revealed her newest grandson would have a part in the wedding 

'You're [Flynn] going to come down the aisle with us': Lisa revealed her newest grandson would have a part in the wedding 

In one snap, Lisa posed in pink pyjamas while on a sofa with her best pals, writing: 'A few more sleeps and I'll be a "Mrs".'

'Thanks to my gorgeous friends who endlessly help me out doing all the last-minute runaround things. I couldn’t have done it without you.' 

Lisa concluded the post by tagging her fiancé and writing: 'I love you'. 

Love Me Tender! Lisa got engaged to Elvis-impersonator Mark in December 2016

Love Me Tender! Lisa got engaged to Elvis-impersonator Mark in December 2016

Pretty in pink: Taking to Instagram on Monday, Lisa shared pictures from her hens night

Pretty in pink: Taking to Instagram on Monday, Lisa shared pictures from her hens night

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