“That ’70s Show” star Laura Prepon announced that her brother, Brad Prepon, died suddenly at age 48 after suffering from an previously unknown heart condition.
The 46-year-old actress shared the devastating news Wednesday in an emotional Instagram post featuring several photographs of her brother.
“This past weekend, we laid my brother to rest,” said Prepon, who played Donna Pinciotti on “That ’70s Show” and later reprised the role on “That ’90s Show.” “He passed away suddenly from an unknown heart condition – it was a devastating shock.”
Prepon, also known for her role on “Orange Is the New Black,” remembered Brad as a one-of-a-kind presence who left a lasting impression on those around him.
“For those of you who knew Brad, I’m so happy he touched your lives. For those who didn’t, we lost a singular, beautiful, inimitable force.”
She added, “I will miss my brother every day, and carry him in my heart always.”
Prepon ended her message with a warning to others not to ignore potential health concerns.
“If you feel something may be off, please listen to your instinct and get it checked out. Hug the ones you love.”
An online obituary said Brad died suddenly July 15 in Orange County, California. His funeral was held Saturday in New Jersey.
“Brad cherished being surrounded by his family,” the obituary read, and “loved the tradition of holiday gatherings, time with his sisters, and friends.”
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“He especially enjoyed the energy of a night on the town,” the obituary stated, and “loved great food, great music, and a fun party.”
Brad was remembered as having a “unique personality and unmistakable presence” that “made him someone people noticed and would not soon forget.”
The memorial also described him as “an introspective and contemplative seeker” who balanced an outgoing personality with a deep love of reading and learning.
“As much as he loved a night out, he was just as happy being lost in a book,” the obituary read. “Ever the inner alchemist, Brad enjoyed gaining knowledge, incorporating it into his life, and forging his own path.”
Laura Prepon Pays Emotional Tribute to Brother Brad Prepon After Sudden Death
Laura Prepon is mourning the sudden loss of her brother, Brad Prepon. She shared a heartfelt tribute reflecting on their cherished memories and the#LauraPrepon | #BradPrepon | #CelebrityNews pic.twitter.com/8NAuDWpkgJ
— JL News Today 🇺🇸 (@JLNewsToday) August 5, 2026
It continued, “Brad will be remembered through the qualities that made him uniquely himself. He was a singular, inimitable force, who touched the hearts of many. He will be truly missed.”
Brad was born April 19, 1978, in New York City and grew up in Watchung, New Jersey. He graduated from Watchung Hills Regional High School in 1996 before earning a college degree in history in 2000.
The obituary said he was also “an exceptionally talented member of the college’s tennis program” and “A remarkable tennis player, he brought athleticism, discipline, and determination to the court” as well as “every part of his life.”
“When Brad committed himself to something, he did so completely.”
He moved to California in 2002 and settled in Costa Mesa. His interests included physical fitness, history, World War II and building detailed models.
Friends and fellow entertainers flooded Prepon’s Instagram page with condolences, including singer-songwriter Amanda Palmer.
“Oh my god…I’m so sorry, Laura.
“These little postage stamp sized spots of real estate on the internet can feel impersonal but his heart really shines out of those photographs….thank you for sharing them. I am sending you a massive hug.”
Actor Nicholas Gonzalez wrote, “Oh no, Laura. Had some good times with that lovable guy. So sorry for your loss.”
Jason Biggs, Chelsea Handler and Questlove also responded with messages of sympathy.
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