Left: Demi Lovato took the stage at the iHeartRadio Music Awards in this blazer dress to perform her hit Stone Cold on Sunday night!
Right: Kim Kardashian West definitely wore it first though with this sleeveless Balmain number! The momma of two snapped this selfie to Instagram back in March, which ended up garnering tons of likes!
While they both looked fierce, we have to ask…
[Image via Getty Images/Instagram.]