Hey M Girls!
We love it when celebs post pics of their shoes on Twitter! This girlie tweeted: "Hi from rehearsal.. Breaking in my new character shoes! Xo"
Hint: She's about to spin in her own Nick spin-off!
Think you got it?! Scroll down down for the big reveal!
These shoes belong to Ariana Grande -- who's totally rocking her ballet costume!
Did you guess correctly? Tell us in the comments below!
Photos courtesy of Twitter