However, earlier this year, Nadia was given a terrifying wake-up call - after doctors warned her to ditch her addiction or face an early grave.
Nadia, from Belfast, northern Ireland, is now urging others not to use sunbeds, and to protect their skin.
Her warnings come after The Sun launched the Dying For A Tan campaign last year to highlight the dangers of sunbeds and the signs of skin cancer.
Nadia first started going on sunbeds when she was 15 to help clear her acne - despite it being illegal for under 18s to have sunbeds.
However, it soon became a daily habit when Nadia became addicted to looking tanned.
The personal trainer said: “I used sunbeds due to having severe acne.
“It was a quick fix and they became an addiction because who doesn’t like having a bit of tan and feeling good about yourself.”
Despite this, at the end of last year, Nadia noticed loads of new moles on her arm and back.
Worried, Nadia's mum took her to her doctor to get them checked out.
Medics told Nadia it was a “serious concern” and advised her to stop.
However, stubborn Nadia ignored the advice and proceeded to get another sunbed.
She finally listened to the experts last Wednesday after an appointment at the Royal Victoria Hospital in Belfast - where she was told to ditch her addiction or face an early death.
Nadia described it as “the biggest wake up call ever” and insisted she will never use a sunbed again.
Shaken Nadia added: “They said to me that if I don't stop sunbeds now then skin cancer is the only thing in my future.
“And when that is said to you the thought of having a tan makes you want to vomit.
“It is awful. People don’t realise the effects sunbeds can have on you and what they can do.
“They are just taking you away from your family. What for a tan? It is definitely not worth it.”
Nadia said the hospital scare “shattered” her and she is now begging young girls to think twice before getting a sunbed.
And her Facebook plea was shared more than a thousand times.
She wrote: “Nothing has ever scared me as much there not worth I’m basically killing myself.
“Anyone who has moles or even has a concern I would advise you to get an appointment as soon as you can from your GP.
“I hope to god this message gets out and everyone realises how scary sunbeds can be the damage they can cause.
“Here’s to tan in a bottle from now and forever more.”
The addict is now remarkably calling for the UK to ban sunbeds because of the health risks.
Nadia has now compromised by using a tinted moisturiser and said: “I feel really strongly against them now and I have gone from being one of the tannest girls in Belfast to sheet white and not a care in the world.”
Sunbeds are just as dangerous as smoking, according to the World Health Organisation.
They let out harmful UV rays that damage the DNA in skin cells which can lead to malignant melanoma - the deadliest form of skin cancer.
And this skin cancer is the most common form of cancer in the UK, according to the British Skin Foundation.
More than 2,500 Brits die from the disease each year.