Lil Wayne is about to tell the story of his life, and he is not holding back.

The rapper is even pouring his heart out, sharing painful things from his past, including the time his friend and fellow Young Money artist Drake betrayed him. In his upcoming memoir titled “Gone ‘Til November,” Wayne, whose real name is Dwayne Carter Jr., detailed how the “Hotline Bling” rapper dropped a bombshell of a news to him while he was in prison. Wayne served for eight months for possession of deadly weapons.

Wayne said in his book that Drake admitted to him during a visit to prison that he had slept with his girlfriend at the time, Tammy Torres.

“Finding out that she f****d Drake was the absolute worst thing I could have found out,” Wayne said. “Drizzy came to see me, he was like, ‘Yeah, it’s true.’ Damn! This is the type of s*** a man never wants to find out while he is locked up.”

Drake has yet to air his side of the story. The two appeared to have patched things up. They went on tour together in 2014.

Meanwhile, Wayne also revealed other interesting things while he was in prison. The rapper said he officiated a wedding while he was at Riker’s Island in New York in 2010.

“Imagine seeing grown-a** men in jail hanging tissue for wedding decorations,” the rapper said, according to Pitchfork. “And one of them is Lil Wayne...Crazy.”

Wayne also talked about how he was put to the test creativity-wise when he was in jail. The rapper said he thought he needed money, luxury cars, and women to be able to write songs, so being locked up and not having all the luxuries he has been accustomed to was difficult.

“Gone ‘Til November” will hit shelves Oct. 11.