'The Voice' Recap: Battles Conclude with Perfectly Polite Pairings

THE VOICE (L-R) - Adam Levine, Shakira, Usher, Blake Shelton
Trae Patton/NBC

"The Voice" battles wrapped on Tuesday night -- well, the first round at least, because a brand new second round will feature Coldplay's Chris Martin next week -- and while most of the sudden-death duets have packed a punch throughout the season, the final three matchups were perfectly polite pairings. Yet one singer was aggressive enough to get Usher's last steal.

'The Voice' Recap: Three's Always a Crowd as Contestants Battle On

For the battles, Shakira recruited Miranda Lambert in as her guest mentor, Adam Levinecalled on Aloe Blacc, Usher had Jill Scott, and Blake Shelton pulled The Band Perry -- the first band to ever stop by "The Voice" as a guest mentor.

Meet the final victors to move on to the next round of "The Voice" (only to soon do it all over again) over at THR.com.