In Mexico, Ariana Grande Embodied Versace Glinda With A Side Of Mermaid For the "Wicked" premiere in Mexico City, Ariana Grande decided to mix witches with mermaids, resulting in a strapless ...

The argument here is that Ariana has the vocal prowess for the role of the singing mermaid. Though if you want my opinion, Ariana has enunciation issues. I never know what she's actually singing.