The BBC's children's TV actress, Mya-Lecia Naylor, died at the age of 16.
Naylor, who appeared in shows like Millie Inbetween and Almost Never, died on April 7, but the cause of death is still unclear.
She starred opposite Emily Atack, Fleur East and Tess Daly on the CBBC Almost Never show.
The show followed boyband The Wonderland and Girls Here First rival group of girls while competing in a fictional talent contest, The Spotlight.
It is with deepest sorrow that we have to announce that on Sunday, April 7, Mya-Lecia Naylor, unfortunately, died. Mya-Lecia was very talented and a big part of A & J, we're going to miss her a lot. Our love and thoughts are with all your family and friends at this difficult time. pic.twitter.com/YhnR7WJSPc
– A & J Management (@aj_management) April 17, 2019
Naylor also appeared on the BBC program Absolutely Fabulous as Jane in 2004 and most recently served as part of the band Angels N 'Bandits.
A statement from their representatives, A & J Management, described Naylor as "deeply talented" and said they would miss her a lot.
They said: "It is with great regret that we have to announce that on Sunday, April 7, Mya-Lecia Naylor, unfortunately, died.
"Mya-Lecia was extremely talented and a big part of A & J, we will miss you a lot.
"Our love and thoughts are with all your family and friends at this difficult time."
I'm a celebrity … get me out of here! star Atack paid tribute in the social media.
She said, "So shocked and sad to hear about the lovely Mya-Lecia Naylor. She was a beautiful and talented girl.
"A complete joy of being around on the set of Almost Never. Sending all my love to your family and friends. Rest in peace, pretty girl.
Oakley Orchard, a member of the film The Wonderland in Almost Never, also paid tribute.
He wrote in his story on the Instagram: "Rest in peace with my little pink wafer. Absolutely devastated, you will miss all the fun times we had together. "
A message posted on the program's Instagram account said: "Our thoughts are with the family of Mya-Lecia, friends and everyone who loved her at this very sad time. RIP Mya-Lecia.
Alice Webb, director of BBC Children's, which includes CBBC, said news of Naylor's death left her staff "disturbed and terribly sad."
She said, "She shone so brightly on our screens both in Millie Inbetween and almost never, and it is unthinkable that she is not part of our journey from now on.
"She was very popular with our audience, a very talented actress, dancer and singer, and a true role model for her young fans."
A statement posted on the BBC's website described Naylor as an "extremely talented actress, singer and dancer".
It said: "We are very sorry to have to tell you that Mya-Lecia, whom you will meet of" Millie Inbetween "and" Almost Never ", unfortunately died.
"Mya-Lecia was a beloved part of the BBC Children family, and an extremely talented actress, singer and dancer.
"We will miss her and we are sure that you will want to join us in sending all our love to your family and friends."
– Press Association