Champion Bodybuilder Hayley McNeff Dead At 37

Hayley McNeff

Another tragedy in the bodybuilding world ... champion performer Hayley McNeff has passed away at just 37.

Tributes started pouring in on Wednesday after it was confirmed the Concord, Massachusetts native died on August 8.

McNeff's cause of death hasn't been disclosed, but her obituary described her passing as "unexpected but peaceful."

Her funeral service will take place on Saturday.

"I remember seeing her at Total Fitness in person," one fan commented on social media, "She had a vibrant personality and a very warm smile! RIP! A beautiful girl lady inside & outside!!!"

Hayley rose to prominence on the bodybuilding scene in the 2000s, securing several titles, including a win at the…