The Internet's been buzzing about Selena Gomez having deleted the last remaining photos of ex Justin Bieber from her Instagram account and guess who doesn't feel like talking about it???

If we guessed Hailey Baldwin, you're right! In fact, she and hubby Justin jetted out of LA Wednesday night, perhaps to get away from all the Selena attention ...

Gomez, meanwhile, is in New York after appearing on Live With Kelly And Ryan yesterday. During the show, she said she doesn't even have Instagram on her phone: "It would make me depressed. It would make me feel not good about myself, and look at my body differently, and all kinds of stuff. So I actually don’t have it on my phone. I have it on someone else’s phone and when I feel like I want to share something with my fans or just mess around with it, I do it then."

So Instagram's most followed user, with 152 MILLION followers, doesn't even have the social media app on her phone?! AND she's suggesting the platform makes people unhappy!

Fortunately the singer looked plenty happy signing autographs and greeting fans outside Kelly And Ryan yesterday ... on the flip side, Hailey Baldwin didn't look so happy when we spotted her leaving her stylist's office and asked about Gomez deleting all her Justin pix ...