'No words truly can explain my love for you': Jessica Hart receives gushing tribute from younger sister Ashley as she celebrates her 30th birthday in the Bahamas

She has been happily celebrating her 'birthday week' in the idyllic Bahamas since Thursday.

And the celebrations for Jessica's Hart's lavish 30th birthday do not look to be ending anytime soon.

The supermodel's younger sister Ashley Hart took to Instagram on Saturday to wish Jessica a happy birthday, and used the opportunity to explain the important role in which she has played in her life, writing: 'No words truly can explain my love for you.'

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'No words truly can explain my love for you': Jessica Hart received a gushing tribute from her younger sister Ashley for her 30th happy birthday on Saturday

'No words truly can explain my love for you': Jessica Hart received a gushing tribute from her younger sister Ashley for her 30th happy birthday on Saturday

She started off: 'Jessie-Rae ❤️ My beautiful sister - I couldn't be happier celebrating your 30 years on earth.'

'You are such a huge part of me, Iv never lived a day without you as my sister and could never imagine life otherwise [sic].

'You bring a richness to my life that plays out as inexplicable joy, pride and deep gratitude. 

'Iv always had you to look up to and inspire to grow into, I admire all of that which you do and who you are, especially Now at 30, what a woman, your success in work, health and heart is at its peek and all held with such grace,' she went on, adding: 'I am so proud of you [sic].' 

'You are such a huge part of me': Ashley took the opportunity to describe the unbreakable bond in which the sisters share, writing: 'I've never lived a day without you as my sister and could never imagine life otherwise'

'You are such a huge part of me': Ashley took the opportunity to describe the unbreakable bond in which the sisters share, writing: 'I've never lived a day without you as my sister and could never imagine life otherwise'

In the post, Ashley then thanked her sister for supporting her throughout her own life, as she continued to gush about her further.

'Thank you for always being there for me no matter what,I am forever here for you and what an honor and joy it is to be, I am so excited to be apart of whatever your next adventures are in life. To be able to witness your brilliance is one of my life's greatest gifts.

'You allow me to fall more in love with who I am by simple recognizing I am the very same source as you,' she wrote.

Svelte and stunning! Jessica showcased her flawless figure in a tiny two-piece on Saturday

Svelte and stunning! Jessica showcased her flawless figure in a tiny two-piece on Saturday

Make waves in a Mara Hoffman high-waisted bikini

With swimsuit season on the horizon, we're taking major inspo from Ashley Hart. The Australian beauty celebrated her 30th birthday in the Bahamas where she donned this pastel printed bikini by Mara Hoffman.

We can't get enough of the universally flattering triangle top and high-waisted bottoms. They also featured sexy lace-up sides that showed an extra flash of skin. Hot!

If you need a bit of extra coverage when you hit the beach and don't want to wear a full one-piece, then high-waisted bikini bottoms are the way to go. They are becoming ever so popular, so now is the time to tap into the trend.

Get Ashley's bikini at Net-A-Porter for $255 by clicking the link opposite. It's reversible so it's like getting two swimsuits for the price of one!

Then shop around for more bikini bottoms in our edit below. Boohoo, Kenneth Cole and Bikini Lab all have similar options and we threw in another alternative by Mara Hoffman for good measure.

* PRICES MAY NOT BE AS ADVERTISED

Ashley also took the opportunity to describe the unbreakable bond in which the sisters share, as well as explaining that her big sister is her biggest inspiration in life.

'Jess, no words truly can explain my love for you, we share the most unique loves bond that nothing does or could ever compare,' she gushed.

'My appreciation for you, literally moves the bloody flow to my heart.

'A billion times happiness celebrating your birth, My Angel, my dearest friend, my confident, my inspiration, my sister, ' she said, adding: ''I love you ❤️.'

'We celebrate you, Jessica Hart:' Ashley Hart celebrated her older sister's 30th birthday by sharing a snap of the siblings and their friends enjoying the Bahamas on Friday

'We celebrate you, Jessica Hart:' Ashley Hart celebrated her older sister's 30th birthday by sharing a snap of the siblings and their friends enjoying the Bahamas on Friday

The kind words, were posted underneath an image of Jessica clutching a huge blue and green cake, the numbers 3-0 can be seen sticking out from the top of the desert.

The Aussie beauty looks perfect for her island getaway, wearing a lace dress and straw hat while her blonde mane is tousled into loose beachy waves.

Wearing not a scrap of makeup, the glamazon looks ecstatic as she flashes her trademark gap-toothed grin.

Jessica has been living it up in the sunny Bahamas with a gaggle of bikini-clad girlfriends since Thursday as she celebrates the milestone occasion. 

Flying solo: Ashley also shared a solo snap of herself wearing a skimpy swimsuit 

Flying solo: Ashley also shared a solo snap of herself wearing a skimpy swimsuit 

On Saturday, the former Victoria's Secret catwalk model showed off her toned physique in a colourful, high-waisted triangle two-piece.

On Friday, her model sister shared some photos of the fun-filled display to her Instagram account, including one photo where Jessica had been lifted above the ground by her friends and sibling.

Ashley gushed over her big sister, writing: 'We celebrate you, Jessica Hart.'

She continued: 'We thank God for you! We love you, we support you, we honor and respect you, we value your very existence.' 

Ashley also shared a cheeky solo snap of herself wearing a very revealing one-piece swimsuit that highlighted her ample behind. 

The blonde beauty hasn't quite soared to the same career heights as her sister, but her girl-next-door good looks have landed her multiple covers of Women's Health magazine. 

Jessica officially kicked off celebrations for her 'birthday week' on Friday, one day ahead of the big day on Saturday. 

'May the celebrations begin!' Ashley Hart shared this photo of sister Jessica on Friday during her 'birthday' week during which she will turn the big 3-0

'May the celebrations begin!' Ashley Hart shared this photo of sister Jessica on Friday during her 'birthday' week during which she will turn the big 3-0

'May the celebrations begin!' Jessica's younger sister Ashley wrote on Instagram, followed by the hash-tag 'birthday week.'

An accompanying photo that Ashley posted of her older sibling, showed her laughing with joy as she watched a sparkler burn on a plate of pastry desserts.

A male pal was seated next to her at the table, but his face was obscured by a square of paper that had been blown up in the air.

In love: Stavros and Jessica have been dating since 2011 

In love: Stavros and Jessica have been dating since 2011 

The man could well be Jessica's billionaire boyfriend Stavros Niarchos, who previously dated former Hollywood 'it' girls Mary-Kate Olsen and Paris Hilton.

The Greek hunk has been dating Ballarat-born Jessica since 2011. 

Jessica is currently featured in the latest issue of Vogue Australia, with Dutch model Lara Stone landing the cover. 

The issue is currently on newstands now.

Bombshell: The blonde showcases her stunning figure in a Vogue Australia shoot by famed photographer Mario Testino

Bombshell: The blonde showcases her stunning figure in a Vogue Australia shoot by famed photographer Mario Testino

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