MMA star Guilherme "Bomba" Vasconcelos, who dated Demi Lovato in 2017, died at the age of 38, his loved ones confirmed on social media.

A UFC and Bellator alum, and ex-boyfriend of Demi Lovato, Guilherme Vasconcelos has died at age 38, according to his family.

Vasconcelos, who once dated Demi Lovato, competed in 16 MMA bouts, and appeared as a cast member on season 3 of the reality show The Ultimate Fighter: Brazil. Recently, he had been competing in the Jiu Jitsu World League, and he frequently posted on Instagram videos of his intense workouts — including his last post on Thursday, Oct. 10.

Guilherme "Bomba" Vasconcelos, an MMA fighter and Bellator competitor who once dated Demi Lovato, has died. The family of Vasconcelos appeared to confirm his death via TMZ on Tuesday, October 15. He was 38 years old.

Brazil-born MMA fighter Guilherme “Bomba” Vasconcelos, has died at the age of 38. The news of his death was announced by his uncle and godfather, Walter Vasconcelos Jr. “Sad, very sad your farewell, Guilherme Vasconcelos!

MMA fighter Guilherme “Bomba” Vasconcelos died at the age of 38. Vasconcelos’ death was confirmed by his family and members of the fighting community Tuesday, according to TMZ. Vasconcelos enjoyed a seven-year career in the fighting scene and competed in both the UFC and Bellator.

Demi Lovato's ex-boyfriend Guilherme "Bomba" Vasconcelos has passed away at the age of 38. The MMA star's loved ones confirmed the news of his passing. The athlete's uncle Walter Vasconcelos Jr. announced that his nephew had passed in a social media post on October 15.