The Voice Finale Brings Ariana Grande, Sia, & More! See All The Best Performances HERE!

This year, The Voice has been all about the ladies! So we were so glad to hear Ariana Grande would be taking over! The pint-sized songstress performed a medley of Into You and Dangerous Woman with Christina Aguilera! Better than a hologram, right?? Related: Pink Is Joining The Voice As A Semi-Finalist Advisor! The packed finale also saw killer