ANSWER:

If Allah loved her, He would get her married to someone who is righteous and practicing and not to a joker.

Mostly such marriages will break in few months or years. Just wait for it, and make duaa that Allah guides her back to Islam.

Paradise is prohibited for anyone who has a grain wait of arrogance in his heart. 

Sheikh My cousin got married to a famous Comedian youtuber of my city ! And she always call herself superior and look down on girls and show off on social media & threat other girls by Messaging them ! She told me Allah loves her so much that’s why she got married to a famous handsome youtuber ! what advice would you like to give her?