Kendrick Lamar's 2012 single "Backstreet Freestyle" led to his 2014 collaboration with Taylor Swift on "Bad Blood".

Grey’s Anatomy’ actress praised Taylor Swift’s generosity after she made a considerable donation 20 minutes after they met ...

"I still look back on this collaboration with so much pride and gratitude," wrote Swift on Instagram after releasing '1989 (Taylor's Version ... their remix of "Bad Blood," first released ...

The "Grey's Anatomy" star scrubbed into "The Jennifer Hudson Show" and got candid about her friendly relationship with pop ...