Sam Frost debuts a bold new look after leaving Home and Away and going public with boyfriend Jordie Hansen

Sam Frost has dramatically changed her hairstyle after quitting Home and Away in December.

The 33-year-old, who maintained her blonde hair for her role as Jasmine Delaney on the Channel Seven soap, showed off her transformation on Instagram on Thursday.

Her new 'do comes after a busy few months for the reality star-turned-actress, who went public with boyfriend Jordie Hansen, 26, in April.

New look: Sam Frost has dramatically changed her hairstyle after quitting Home and Away in December. (Left: Sam with blonde balayage locks in May 2019; and right: Sam out for dinner in Melbourne on Thursday with chocolate brown locks styled into a messy topknot)

In the Instagram post, Sam drew attention to her chocolate brown locks that were styled into a messy topknot while out for dinner in Melbourne's St Kilda.

She also showed off a hint of cleavage in a brown cardigan with gold buttons as she posed for the photo while enjoying a glass of white wine.

During her time on Home and Away, Sam maintained her blonde balayage locks at her favourite hair salon in Sydney.

Many soaps require actors to keep the same hairstyle for continuity reasons.

No limits! During her time on Home and Away, Sam maintained her blonde balayage locks at her favourite hair salon in Sydney - but now she's free to have whatever hairstyle she likes

'Love doing life with you': Last Sunday, Sam shared a number of romantic snaps on Instagram from her Outback getaway with new beau Jordie Hansen (right

Last Sunday, Sam shared a number of romantic snaps on Instagram from her Outback getaway with new beau Jordie.

The former Bachelorette was seen cuddling up to the Australian Survivor star as they look in the local sights and camped in the region.

She captioned one of the photos, 'Love doing life with you,' adding a love heart.

A day earlier, Sam had revealed they were sightseeing in the Flinders Ranges and Brachina Gorge.

Camping trip: A day earlier, Sam had revealed they were sightseeing in the Flinders Ranges and Brachina Gorge

So sweet: The former Bachelorette captioned one of the photos, 'Love doing life with you'

The idyllic trip comes weeks after Sam shut down rumours she'd split from Jordie, who happens to be a friend of her younger brother Alex.

Sources close to the couple alleged on April 22 they'd called it quits after a whirlwind romance.

But Sam rubbished the speculation a day later when she posted a loved-up photo on Instagram of herself in bed with the tradie.

Fake news! The idyllic trip comes weeks after Sam shut down rumours she'd split from Jordie. Sources said on April 22 they'd called it quits after a whirlwind romance, but Sam rubbished the gossip a day later when she posted this loved-up photo on Instagram of the pair in bed

Sam and Jordie, who is a landscaper from Victoria, confirmed their romance on April 4 by sharing videos and photos of themselves on a road trip from Sydney to the NSW South Coast.

Shortly after this, Jordie joked on Instagram that his relationship with the former Bachelorette was a 'win for the everyman'.