The actor, who starred in kids' comedy series Jessie and the film Grown Ups, died in his sleep last night.
The actor passed away after suffering a seizure as a result of an ongoing but undisclosed medical problem, his family confirmed.
A family spokesman said: "It is with a profoundly heavy heart that we report that this morning we lost Cameron.
"He passed away in his sleep due to a seizure which was a result of an ongoing medical condition for which he was being treated.
"The world is now undoubtedly without one of its brightest lights, but his spirit will live on through the kindness and compassion of all who knew and loved him.
The world is now undoubtedly without one of its brightest lights, but his spirit will live on through the kindness and compassion of all who knew and loved him.
Boyce Family Spokesman
"We are utterly heartbroken and ask for privacy during this immensely difficult time as we grieve the loss of our precious son and brother."
After making his film debut as a nine-year-old in horror film Mirrors, shortly followed by Shia LaBeouf thriller Eagle Eye, Boyce shot to fame in the Disney Channel kids TV show, Jessie.
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