I mean, go for it - Stefani's vocals will remain unbothered whereas by chopping off Miley's tongue, you'd pretty much be doing the entire world a favor
All the main popgirls sell sex. They all just do it in their own style. People tend to overrate how much Madonna sold sex though. For nearly 15 years, she didn't sell sex at all from Bedtime Stories era in 94 up to Hard Candy.