Jennifer Aniston has been on the receiving end of backlash after fans spotted something in an unseen snap from the Friends reunion.
The 52-year-old actress has been posting endless behind-the-scenes photos from the epic reunion, which aired on TV screens last week.
Many of the pictures are of Jen and her former co-stars, looking incredibly excited to see each other.
"Swipe for... The bazillionth selfie taken with the five of us... When two TOTALLY different worlds collide - @_schwim_'s face says it all... The legend himself, our director of the first season, Papa James Burrows," she shared.
But some fans were left distracted as they noticed that Justin Bieber and his wife Hailey were on set.
"Why is Bieber there? Lmao," one person queried.
Another said: "I still don't understand why Justin Bieber was there?"
"No reason for hailey and justin bieber to be there," a third quipped.
However others defended the star, with one fan sharing: "Because he adores Friends! Him and Hailey watch it every single day. Justin has suffered with anxiety a lot and he has said that watching Friends has helped him a lot in those moments.
"He has loved the show for years and during the first year of his career he used the name Chandler Bing when booking hotel rooms."
"To pull in a younger audience," another commented.
And a third added: "Um because he was invited? Like other guests? Like David Beckham and Cara and everyone else? Why r u guys so pressed I just don't get it."
It appears fans of the star are right, as he previously went undercover to surprise Friends lovers during an appearance on The Ellen Show.
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