The hip-hop world erupted after Young Thug called Kid Cudi a "rat" over his testimony in Diddy's federal case.

Kid Cudi testifies in Sean 'Diddy' Combs' federal racketeering and sex trafficking trial, alleging break-in and arson at his ...

Kid Cudi tells jurors about arson and intimidation in the Diddy sex trafficking trial. Other witnesses describe violence and hotel chaos.

While Diddy's fame was expanded through his reality TV shows and annual White Parties, Kid Cudi has been more private and selective about the aspects of his life he chose to share.

Rapper 50 Cent has taken yet another jibe at disgraced music mogul Sean 'Diddy' Combs, whose ongoing sex trafficking and racketeering trial recently saw Kid Cudi testify against him.

Cent is taunting Sean "Diddy" Combs with firebombed images of Kid Cudi's car following Cudi's explosive testimony.

Kid Cudi has accused P Diddy of destroying his car with a Molotov cocktail and 50 Cent has been quick to mock the Bad Boy ...

Kid Cudi testified in court that Sean 'Diddy' Combs threatened him, broke into his home, and possibly firebombed his car ...

The Grammy-winning rapper was dating Cassie Ventura at the same time as the disgraced mogul, who is on trial for sex ...

The rapper testified Thursday about the firebombing of his Porsche at his Hollywood Hills home in 2011, when he briefly dated ...

Kid Cudi told the jury in the Sean "Diddy" Combs trial that a Molotov cocktail was thrown at his car shortly after Combs learned of his relationship with Cassie Ventura.

Jurors in Sean "Diddy" Combs' federal sex-crimes trial saw photos of Kid Cudi's destroyed Porsche after the alleged explosion.