RIHANNA REELS AS ROCKY FACES THE MUSIC!

RAPPER A$AP Rocky was due to go on trial Jan. 21 on charges of and his felony assault baby mama Rihanna is panicking big-time she's forced to face the reality that he may be facing eight years in the slammer!

"This has been hanging over them all these years, but now the trial is here and it's showtime," says a snitch. "Publicly, Rihanna is putting on a brave front, but behind the scenes she's freaking out!" The stars, both 36, share two children, RZA, 2, and Riot, 1, but friends wonder if their relationship will survive if he's tossed into the pen, sources tell The National ENQUIRER.