Brian Wilson's friends and fellow celebrities, including Nancy Sinatra, are remembering the music icon in social media posts.

Brian Wilson and his family were open about his health, from his needing a conservatorship for his dementia to his battle with substance use.

John Stamos, Nancy Sinatra and John Cusack were among the celebrities paying tribute to musician Brian Wilson after his death was announced Wednesday. Wilson's family announced the Beach Boys founder had died in an Instagram post on his account.

"This album never got finished and these tracks will live on my drive in obscurity, but they’re really great," Jonathan Wilson wrote.

Lola Bonfiglio, who auditioned for American Idol earlier this year, has paid tribute to her grandfather, Brian Wilson, following his death this week.

Sir Paul McCartney has said The Beach Boys star Brian Wilson was a “musical genius” and a “bright shining light” after his death aged 82. The 82-year-old Beatles bass player has previously cited Wilson’s work as an inspiration for his own,