She delighted the nation when she represented the United Kingdom at 1993's Eurovision.
And three decades on Sonia proved she hadn't lost her stage presence as she posed up a storm at the I Should Be So Lucky press night in Manchester on Tuesday.
The singer, 52, commanded attention as she larked around on the red carpet at The Opera House Theatre in a plunging playsuit.
The sequinned garment showcased her ample cleavage and cinched in at her slender waist while showing off her lean legs.
A pair of silver heels boosted her petite frame and she added an extra touch of glamour with chandelier earrings and a slick of bold, red lipstick.
Looking good: 30 years on from Eurovision Sonia proved she hadn't lost her stage presence as she posed up a storm at the I Should Be So Lucky press night in Manchester on Tuesday
Iconic: Sonia memorably finished as runner-up in the 1993 Eurovision Song Contest with her performance of Better The Devil You Know
Sonia memorably finished as runner-up in the 1993 contest with Better The Devil You Know and appeared on stage this year to mark the contest being hosted in her native city of Liverpool.
While the UK has won the competition five times and came in second a record 16 times, the country's performance has been lacklustre in recent years.
Speaking to MailOnline Sonia told how she believes the competition has become all about politics rather than the songs.
She explained: 'I think a lot of it was political. We just did not have any luck. We were always on the other side of the board and all the vitality just went out of it.'
Offering advice to future entrants, she added: 'You've got to stay calm and focused. You've got less than three minutes to make an impact.
'Relax and be on it. Look down that camera lens and connect with the audience.'
Although she was just 22 when she took part, Sonia was already an established artist with several top 20 hits to her name.
The star said it can sometimes be risky for newer artists taking to the stage as it could hamper their chances at future success if they get a low score.
Loving life: The singer, 52, commanded attention as she larked around on the red carpet at The Opera House Theatre in a plunging playsuit
Leggy lady: A pair of silver heels boosted her petite frame and she added an extra touch of glamour with chandelier earrings and a slick of bold, red lipstick
She explained: 'The thing is, if you are an unknown and you come last, it's not the best thing in the world.
'It's the highest profile you could get and then you come last, it does play on your mind. I had already established my name and had nothing to prove. If you're unknown, it's a tricky thing to choose to do.'
She added: 'We've had well known people who haven't done so well. Look what it's done for Sam [Ryder]. If someone is brilliant and they're not known, give them a chance.'
Eurovision 2024 will take place in Malmö, Sweden, following the country's victory at the 2023 contest with the song Tattoo by Loreen.
Putting on a show: Sonia appeared on stage at this year's Eurovision Song Contest in May to mark the contest being hosted in her native city of Liverpool
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