The 10 nastiest celebrity feuds of last year – See which is #1! (With Pictures)

3. Katy Perry vs Taylor Swift 

These two pop stars look like they should be friends, however it seems as though they have never seen eye to eye. In the summer of 2015, Perry made it a point to reignite their feud. Perry gave her opinion on the Minaj/Swift feud and Swift responded with the hit single “Bad Blood.”

Many believe Perry envied Swift’s enormous success, but of course Perry would never admit to that. Although Swift insisted that the song was about an ex-boyfriend, everyone is convinced it is about Ms. Katy Perry. I guess we will never know who the song is really about, but we do know the two are not each other’s biggest fans.