'I am the party!' Miley Cyrus poaches talented singer Lauren Diaz from Adam Levine on The Voice
The pair were bickering over Lauren Diaz, who had just been booted from Alicia Keys' team as the battle rounds started.
Nebraska native Lauren, 25, had just sung Maybe by Janis Joplin in a battle against Wé McDonald, 17, from New Jersey.
Talent thief: Miley Cyrus stole talented singer Lauren Diaz from Adam Levine on Monday's episode of The Voice
Wé described herself as 'the weird little chubby kid' who 'got bullied a lot'.
'I feel for Alicia, this one's going to hurt her,' smiled Blake Shelton before Alicia chose Wé.
'She has a real individual voice, that is going to take her a long way,' said Alicia, 35.
Miley, 23, and Adam, 37, were left to fight over Lauren for their teams.
Nice try: Adam was trying to woo Lauren onto his team
Battle rounds: Wé McDonald, right, won her battle round against Lauren and remained on Alicia Keys's team
Stolen singer: Miley and Cyrus both pressed their buttons to steal Lauren
'He's late to the party… I am the party, what do you mean there's a choice?' joked Miley.
'You've got more of a life, all I have is cats and dogs, you have like a wife and a family, I have nothing going on except this show,' continued the Wrecking Ball songstress.
'They'll tell you, I'm here more than I need to be,' she rambled before Lauren, who now lives in California, picked her.
Good argument: Miley reasoned that Adam had more of a life so she should get Lauren
Victory dance: The pop star celebrated after Lauren picked her over Adam
The show kicked off the Battle Rounds and the coaches enlisted guest mentors for their students.
Adam chose Sammy Hagar, 68, from Van Halen, Miley called on one of her 'idols' Joan Jett, 58, and Blake's companion was Broadway star Bette Midler, 70.
Alicia meanwhile worked with Grammy-winner Charlie Puth, 24.
Guest mentor: Miley recruited one of her idols, Joan Jett to be her guest mentor
Veteran singers: Adam enlisted Sammy Hagar while Blake got Bette Midler to help
Young gun: Alica Keys meanwhile recruited relative newcomer Charlie Puth
'Everybody else brought in the veterans but I went for some fresh meat,' giggled the Empire State Of Mind singer.
The first battle was between Christian Cuevas, 21, from Florida, and Jason Warrior, 21, from Chicago.
The soulful singers sang Hello by Adele.
Soulful singers: Christian Cuevas and Jason Warrior battled to stay on Alicia's team
'I know they can handle it,' said Alicia confidently.
They both sang for their fathers with Christian dedicating his performance to his late father and Jason for his incarcerated dad.
Christian won the round but Adam stole Jason.
Tough decision: The Voice host Carson Daly stood between Christian and Jason as they awaited their fate
Next was Natasha Bure, 17, from Los Angeles against 16-year-old crooner Riley Elmore from Illinois.
They did Michael Bublé's Cry Me A River.
Adam chose Riley for his distinctive voice and tone.
Tough call: Riley Elmore won his battle round against Natasha Bure and remained on Adam's squad
Natasha, whose mother was an actress from Full House and father was an NFL player, was sent home.
Miley's students were next as she pitted Ali Caldwell, 28, from Brooklyn versus Courtnie Ramirez, 17, from Texas.
They belted out Odetta's 1970s jazz classic Hit Or Miss.
Powerful voices: Courtnie Ramirez and Ali Caldwell nailed their duet of Hit Or Miss
'I'm all teared up and everything,' sniffed Miley, who chose Ali.
'She has one of the sickest voices in this competition,' remarked the former Disney star.
Courtnie was then stolen by Blake and Alicia and she ended up choosing Alicia.
Loving it: Alicia ended up stealing Courtnie after Miley declared Ali the winner
Blake pitted Tennessean Dan Shafer, 57, against Sundance Head, 38, from Texas.
They did Feel Like Makin' Love by Bad Company - with Sundance winning the round.
Dan, the oldest person in the competition, went home.
Good times: Blake had fun watching his guys Dan Shafer and Sundance Head compete
Won it: Sundance was named the battle round winner
Miley jumped to her feet to dance in her orange onesie.
Adam then chose Michael Jackson's Man In The Mirror for 25-year-old Andrew DeMuro and Billy Gilman, 28.
'I don't know if I've ever seen a more evenly matched battle,' remarked Blake.
Smooth voice: Billy Bilman advanced in his battle round to Michael Jackson's Man In The Mirror
Andrew, a special ed teacher from Chicago, went home while Billy, from Rhode Island, made the cut.
'It's been a struggle…I feel so happy and so validated,' sobbed Billy.
The Voice battle rounds continue on Tuesday night on NBC.
Getting emotional: The battle round victory left Billy sobbing
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