Sean "Diddy" Combs' ex-girlfriend Cassie Ventura weighed in on Kanye West ... a 2009 arrest for physically attacking then-girlfriend Rihanna. West’s latest posts come after he teased a song ...

Famous singers and musicians who date each other often end up collaborating on music, like Sonny and Cher and Selena Gomez and Benny Blanco.

After the couple split in 2016, TMZ broke the news that Swift wrote her ex-boyfriend's hit song, "This Is What You Came For," which features Rihanna ... Casandra "Cassie" Ventura as a young ...