According to Rosie Perez, Jennifer Lopez was a diva even before she became famous. The actress and dancer details Lopez's alleged bad attitude in her new memoir.

Perez and Lopez met in 1991 on the set of In Living Color. Perez, 49, was the choreographer for the show while Lopez, 44, was auditioning at an open casting call. According to Handbook for an Unpredictable Life, Perez's upcoming book, she noticed Lopez's "big ass" right away.

New York Post reports that Perez fought for Lopez to make it on In Living Color despite creator Keenan Ivory Wayans describing her as "chubby and corny." Lopez was able to join the sketch comedy show after losing 20 pounds and getting a new hair-do, but apparently that the makeover and dancing gig went to her head.

"All of the girls were coming into my office complaining how she was manipulating wardrobe, makeup, and me, all to her advantage," Perez wrote in the book via New York Post. 

Lopez reportedly wrote off the girls as being "jealous." Eventually, however, Perez says Lopez "went off" on her like "some ghetto biatch, screaming and pounding her chest!"

"You pick on me, me and only me, every f-king day! Every f-king day! I work my ass off, deliver and you keep pushing me aside, treating me like sh-t! I know I'm good! I'm better than any of these girls, and you know it," Lopez reportedly said.

Despite leaving In Living Color after two seasons, Lopez reportedly still had Perez on her mind. According to the Pineapple Express actress, Lopez made "disparaging comments" about her after she started coming up in the industry and subsequently ignored Perez's calls. 

"I was blindsided," Perez wrote. "I'd thought we were cool. I called her up. She wouldn't pick up. Frustrated, I left her an irate message on her answering machine. Instead of calling me back and hashing it out like friends do, she went on a major talk show and reiterated my lashing."

Months later when the two saw each other at a club, however, Perez says Lopez was all smiles.

"I should've let it go, played it off, too," Perez wrote. "Instead, I killed her with my biting tongue."

According to the National Enquirer, the Puerto Rican divas are now fighting over the movie rights to Sonia Sotomayor's story as the first Latina to become an Associate Justice of the Supreme Court.

"We ladies of color all know how hard it is for us in the entertainment business," Perez continued. "This kind of sh-t hurts us all and those that follow in our footsteps."

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Handbook for an Unpredictable Life: How I Survived Sister Renata and My Crazy Mother, and Still Came Out Smiling (with Great Hair) comes out Feb. 25.