R&B singer R. Kelly was charged with 10 counts of aggravated criminal sexual abuse on Friday. Charges against the singer were filed in the Cook County Circuit Court in Chicago, WMAQ-TV, an NBC affiliate in Chicago reported.

If found guilty, R. Kelly, 52, would have a class 2 felony on his record with each charge carrying a sentence of three to seven years in prison. He would also have to register as a sex offender.

According to court documents, the alleged sexual assaults by R. Kelly occurred over a two-decade timeframe with the most recent happening in 2010 and others dating as far back as 1998. There are at least four victims in the case and three of the victims were under 17 years of age, according to the charges filed.

This is not the first time that R. Kelly has come under fire for sexual misconduct charges as he was tried on child pornography charges in 2008. He was cleared of all charges against him in the case by a jury.

The claims against R. Kelly rose to the spotlight again with the airing of "Surviving R. Kelly," a Lifetime docuseries that premiered in January. 

R R. Kelly was charged with 10 counts of aggravated criminal sexual assault on Friday. R. Kelly performs in concert at Barclays Center on Sept. 25, 2015 in the Brooklyn borough of New York City. Photo: Getty Images/Mike Pont