Rihinvention you're a damn mess
Anyway, Selena and Demi if Miley didn't exist. Miley if not for Rihanna and Gaga. Austin Mahone if not for Bieber. Fifth Harmony if not for Ariana. Azealia Banks if not for Iggy and Nicki.
Mostly basing it off their target demographic and people with similar style or genre..