Emm... Katy puke green in Prismatic Tour, she use a mecanical horse, a seashell bikini, a dress by kylie minogue, a permomance by Madonna, a flying prism like mother G.O.A.T, and more things
It's not copying it's STUPID!!! all women all around the world use red lipstick and no one says that it's copying but when it comes to Gaga and Katy it's copying! I don't understand you guys!