Irish Big Bother star Orlaith McAllister appeared on the show almost two decades ago, and was the first to admit she was "carefree".
But these days life is completely different for the Belfast-born former model who shot to fame overnight thanks to the Channel 4 reality show.
The days of celebrity parties and bright lights of London are long gone, with the engaged mum-of-two settled in a new career back home in Co Antrim.
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Her dazzling Instagram account, which boasts almost 20,000 followers, shows the beauty looking just as incredible as she did back then.
Orlaith rose to fame in 2005 when she took part in Big Brother’s sixth series which was eventually won by Anthony Hutton. Then 26, she was “carefree” and without a “worry in the world”, Mirror UK reports.
She became firm friends with her Big Brother housemate Makosi Musambasi, who she famously snogged on screen.
Flash forward 17 years and Orlaith is proud of her time on the show, describing her life back then as "very colourful".
Following her stint on the show, she was faced with controversy after it was claimed that she had slept with former Chelsea and England footballer John Terry in 2005.
Both of them denied the claims and, according to reports at the time, Orlaith even tried to call his wife to deny sleeping with him as she apparently wanted a "chance to explain."
At the time, a close friend said: “Orlaith admitted that he was interested in more but she didn’t want to be a home wrecker. She knew he was in a serious relationship. She wants to tell John’s wife Toni face to face if she doesn’t believe her. She wants the chance to explain.”
Back then, Orlaith was a twenty-something fashion model living in London, but these days life isn't as packed with drama.
She returned to TV screens briefly in 2017 for the dating show Beauty Queen and Single.
The mother is now back in her native Belfast where she works as a real estate agent for CPS Property.
On her popular Instagram account she shares workout updates, modelling shots and snaps with her kids. She often reminisces about her time on Big Brother.
Speaking to the Belfast Telegraph in 2019, she said: "I absolutely loved that experience. You have different chapters in your life and that was just one of the chapters of my life that I would never change.
"You had no worries or responsibilities or worries. That was my life then. I lived in London afterwards and that was a chapter in my life which was very, very colourful.
"We had Channel Four, Davina McCall, Russell Brand and Dermot O'Leary. It was just one of those moments that I look back on and think, that it was a real 'wow moment' for me because the people that I met and the circles that I mixed in was amazing.
"I had an incredible experience. I had a lot of opportunities and I chose to fall in love and had a baby and my life then changed and that chapter in London closed. And life became motherhood in Belfast for me."
On the 20th anniversary of the show in 2020, she posted on Instagram, recalling how "carefree" she was back then.
In 2019, she was preparing to marry Neil Logan, a partner in a Belfast law firm. The wedding was postponed due to the Covid pandemic.
Big Brother is set to return to TV five years after being axed, but it will be on ITV2, not Channel 4.
Reacting to the news, Orlaith told Sunday Life today: “I’m just so glad to see it back on the TV screens. It’ll bring back a lot of memories and I’ll definitely be watching it.
“I had an idea it might come back because it was such good TV back in its day. It gave me goosebumps actually.
"“The ones who go in next year are very lucky and I think it’ll overtake Love Island. There was a need for Love Island, but Big Brother is the first ever reality TV show and is just an amazing show."
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