He was a founding member of the group that achieved world renown in the 1970s, with successes like Block Buster and The Ballroom Blitz.
The news was announced on The Sweet’s official Facebook page.
The statement reads: “Dear friends and fans, We have very sad news – Please see the statement below from Steve Priest’s family.
Amour, Richie, Stevie, Mitch and Paulie…
“It is with a heavy heart that we announce today at 8:25 am Pacific time that Steve Priest, founding member of The Sweet, died.
“He is survived by his wife, Maureen, three daughters, Lisa, Danielle & Maggie and 3 grandchildren, Jordan, Jade & Hazel. “”
As tributes began to pour in, fans followed with a second post.
“Just a quick note to say ‘Thank you’ to everyone for their sincere condolences.
“We are very saddened but also very grateful for your loyalty and your kindness during these many years.
“We may not be able to contact each one individually, but be aware that Steve’s family and the group know and appreciate your thoughts.”
“The Sweet Team. “
The Sweet was formed in London in 1968.
Their most famous composition was Steve on bass guitar, singer Brian Connolly, guitarist Andy Scott and drummer Mick Tucker
They then scored 13 Top 20 hits in the 1970s with Block Buster! at the top of the graph.
The group also had success with Hell Raiser, Teenage Rampage and The Ballroom Blitz – which was inspired by the group bottled off the stage while performing in Scotland.
In addition to playing the bass guitar for the group, Steve also provided backing vocals on a number of tracks and was known for his high pitched sound.
When Brian Connolly left the group in 1979, Steve became lead singer.
The Sweet continued for two years before separating.
Steve and his family moved to Los Angeles although the former rocker ignored the spotlight.
He even refused to reform The Sweet in the 1980s at the request of Andy Scott.
In 1994 Steve published his autobiography, Are You Ready Steve?, With the title inspired by the intro to The Ballroom Blitz.