The next big thang has been declared!!!
Clearly, this duo really can't be held back seeing as this is their FOURTH award this evening!!!!
But will the twosome go on the conquer the music scene like past winners Christina Aguilera or have they reached their peak tonight??!
Only time will tell!
P.S. CLICK HERE to see the gallery, "Grammy Best New Artists From The Last 15 Years! Where Are They Now?!"
[Image via WENN.]