Nicky Byrne has shared the first-ever picture taken of Westlife.
The rare snap was shared with Nicky's 264,000 Instagram followers last weekend.
The singer posted the remarkable picture of himself with Shane Filan, Markus Feehily, Kian Egan and Brian McFadden on social media, RSVP Live reports.
He wrote on Instagram: "Taken in June 1998 across the road from the Pod nightclub during our lunch break from rehearsals."
In the photo, Nicky is wearing a baseball top belonging to his wife's sister, Cecelia Ahern, paired with a baseball cap.
Meanwhile Shane is sporting a DKNY hoodie owned by Nicky, and Brian is comically retro in white pants and curtained hair.
Mark is also the epitome of 90s fashion in a dark denim jacket, while Kian is effortlessly stylish with a pair of sunglasses balanced on his head.
Fans are loving the throwback and have flooded the comments.
"Omg you all look fabulous," wrote one, while another added: "Haha back in the days when there were four blondes in Westlife."
"The beginning of an era," wrote a third.
Westlife have big plans for next year as they have already confirmed a massive world tour following the end of Mark's paternity leave.
The popular foursome also revealed they will be teaming up with Ed Sheeran again to create more new music after the huge success of the Twenty Tour.
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