Katy Perry
Though Katy Perry's all-red ensemble by Maison Margiela (Galliano, natch) recalled a Tim Burton-esque bride, we have to admit, she followed the dress code - and got people talking. After all, she was the night's main performance, so showing up #basic was not an option.
![](https://media.guestofaguest.com/t_article_content/gofg-media/2017/05/1/48827/c-xmknawsaqjvtw.jpg)
[Photo via Twitter]