According to MTV News, the star will "talk at length" about the loss of her mother, brother and nephew in the episode, which will debut Monday on the network.
As previously reported on AccessHollywood.com, her mother, Darnell Donerson, and brother Jason Hudson were found dead at the time inside the family's Chicago home with the body of her nephew, Julian King, found several days later.
William Balfour – the estranged husband of Jennifer's sister, Julia – was charged with the killings.
The star has mentioned her heartbreaking losses several times in the year and a half since the murders, though never at length.
"I want to thank each and every one of you for your thoughts and prayers during this difficult time," she wrote on her MySpace page in November 2008. "My sister and I take great comfort and strength from your love and concern."
Months later, she thanked her fans once again on the red carpet.
"Everyone has been so supportive and it's overwhelming," she told Access Hollywood's Shaun Robinson at the Grammy Awards in February 2009.
At the ceremony itself, she thanked "my family in heaven, and those who are here today" after earning Best R&B album – her first Grammy.
The upcoming "Behind The Music" episode will also feature a look at Jennifer's stunning rise to fame, which has found her going from a run on "American Idol" to an Oscar-winning role in "Dreamgirls," Grammy success and a thriving career in film and music – as well as welcoming fiance David Otunga and their son, David Jr., into her life.
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