We know their rivalry is alive and well via Rolling Stone and Twitter...
Allow us to elaborate on our theory!
Now back to the present…
[Image via AKM-GSI.]
Praise the musical gods!
Following Ariana's stellar booty shaking performance at the IHeartRadio Music Awards, JB posted an Instagram of appears to be the musical twosome warming up for a surely AH-mazing session in the studio yesterday.
"congrats @arianagrande on your number 1 song. #arianabieberduet ??"
Oh, Justin! You're such a tease! LOLz!
Thankfully, we're pretty confident SOMETHING is brewing musically between this pair!
[Image via Ariana Grande/Instagram.]