Jennifer Lopez has finally revealed the origin of her famous nickname, JLo.

“J. Lo came from Heavy D,” the two-time Grammy nominee spilled to “World of Dance” judges Ne-Yo and Derek Hough on Tuesday’s episode, according to Us Weekly.

The 50-year-old actress and pop music icon continued: “Remember Heavy D, the rapper?

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"He would come into the studio when I was making my first album, and he would always call me Jenny Lo,” she added of the late emcee and producer.

Jennifer Lopez, pictured here with her daughter Emme, is explaining the origin behind her famed nickname, JLo. (Photo by Jeff Kravitz/FilmMagic)

Jennifer Lopez, pictured here with her daughter Emme, is explaining the origin behind her famed nickname, JLo. (Photo by Jeff Kravitz/FilmMagic)

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The “Maid in Manhattan” actress, who was dating Sean “Diddy” Combs at the time, said her relationship with the Bad Boy Records head honcho greatly factored into her decision to move forward with the newly bestowed nickname.

“Puffy and Jennifer Lo and Jenny Lo was showing up in records. Like, they were talking about us in records and stuff like that,” Lopez explained of the moniker. “So I was like, ‘I’m gonna name the album 'J.Lo.’”

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The quadruple threat (singer-dancer-actress-producer) and former “American Idol” judge had previously gone on record that it was her devoted fan base that gave her the recognizable name and said as much in 2001 interview with the Chicago Tribune.

Jennifer Lopez and Sean 'Diddy' Combs. (Photo by Scott Gries/ImageDirect)

Jennifer Lopez and Sean 'Diddy' Combs. (Photo by Scott Gries/ImageDirect)

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“I’d go to MTV or wherever and there would be kids carrying signs that said ‘J. Lo,’” she told the publication at the time. “It’s kind of like street terminology, and it kind of caught on.”

Lopez -- a former Fly Girl on the 1990s variety-sketch comedy show “In Living Color” -- debuted her first album, “On the 6,” in 1999 and became a household name on just her second studio release, “J.Lo,” in 2001 -- an album that featured radio favorites “Love Don’t Cost a Thing,” “I’m Real” and “Ain’t It Funny.”

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Last year, Fox News confirmed that Lopez now stylizes her legendary nickname as "JLo."