Ethan Slater only has “warm” things to say about girlfriend Ariana Grande, her upcoming Eternal Sunshine Tour and her loyal Arianators fandom. While chatting with PEOPLE on the Gen V season 2 premiere red carpet in West Hollywood on Wednesday, Sept. 10, the 33-year-old Wicked actor shared a message to Grande’s fans after they faced long online queues to buy her tour tickets — with some leaving the experience empty-handed.