And we're SO here for it.
Making his relationship with Ari 100% official, Pete posted the most Ari-inspired photo of all time to his Instagram: a photo of the pair dressed in their Hogwarts finest.
Anyone who knows Ariana knows she is a HUGE Harry Potter fan, so yeah, we are obsessed with this couple now.
"The chamber of secrets have opened..." he wrote as the caption, which really is quite telling in itself.
The best part? Ariana's comment. "u tryna slytherin (i'm deleting my account now)"
We're not sure we've ever seen Ariana so happy on social media, and after calling her ex Mac Miller toxic to be with, we couldn't be happier for her.
Can we also take a hot minute to appreciate Pete's hat? FYI it says "I love you" on it and #confirmed, he loves Ariana.