Mariah Carey made good use of her beautician training at The Voice during Tuesday's episode, while arranging a participant's hair on the second night of the elimination rounds.
The 48-year-old pop superstar, who worked in salons before getting to the big time, took her turn in hair and makeup while helping to fix Claire DeJean's appearance during rehearsals.
& # 39; I'm making retouching now. I never became a beautician, "Mariah said playfully while lending a hand.
Beautician training: Mariah Carey implemented her beautician training on Tuesday's episode of The Voice on NBC
"When Mariah Carey fixes your hair," Claire shouted with joy.
Abby Cates, 17, of Cincinnati, Ohio, played coach Kelly Clarkson's hit, "However," and admitted she was nervous about covering herself in front of her.
& # 39; It's a pretty daring thing to do. "I have made some versions and you can give new life to the song and I really thought it did a beautiful job," Mariah said.
Claire, 18, of Dallas, joined "There Nothing Holdin & Me" Back "by Shawn Mendes and was determined to enjoy the song" flirtatious and fun ".
Helping hand: Clare DeJean during rehearsals, Mariah worked on her hair.
Abby joked that Claire wanted to marry Mendes, as Mariah and Kelly urged her to put their own label on the song.
Jennifer said it was a difficult decision and asked the youngsters what they would do.
"Stay together forever," Abby said as she hugged Claire.
Difficult call: Abby Cates and Claire faced each other by Kelly Clarkson
"The only person who can make a mistake here is Kelly," Adam joked when he told them that they had both performed "great" performances.
Kelly told them that they "filled a similar vein" and felt that he could only move forward with one.
In the end, Kelly went with Abby and Claire went home.
The winner: The Knockout round was won by Abby after she played her coach's song, "Why Of You".
Singer stars: Adam Levine and Kelly watched the participants perform during the Knockouts.
Among the acts, Adam jumped on stage and, despite denying that he knew a single song by Blake Shelton, made his best impression of the country star.
Jennifer Hudson then paired Franc West and Tyshawn Colquitt together and both were surprised to see Mariah.
Franc, 38, of Atlanta, told the cameras that he had no home for two months after moving out of Cleveland and that he had slept in parks and at the city's airport.
He made Call Out My Name for The Weeknd and captivated Mariah with his voice.
I killed him: Franc West took Call Out My Name for The Weeknd
Tyshawn, 23, of Cincinnati, admitted that he faced a difficult task against Franc and knew he had to do his best.
Tyshawn, the oldest of the 10 children who sold cake to make money as he grew up, sang Pillowtalk de Zayn.
Tyshawn was so confident in his performance that he blew a kiss at Jennifer, who laughed and hid behind her notebook.
"I can not even talk about what Tyshawn has just done, your rank is crazy and Franc, for the first time I understand you," Kelly said.
Feeling confident: Tyshawn Colquitt felt confident during his performance
Adam told them that they had both given "good contagious performances" & # 39; but that Franc was advancing in its development.
Jennifer told Tyshawn that her voice and presence were impressive and admitted that she could not play some of the same notes.
She told Franc that her voice "cuts like a knife" before choosing him to go to the playoffs.
Cutting the voice: Jennifer commented that Franc had a voice that "cuts like a knife" before naming him as the winner
"He has such a distinctive and unique sound, he had an extra kick in his voice that is needed to win," said Jennifer.
Tyshawn then distributed cake to the judges, while Jennifer regretted not having saved anything.
For the final round of the night, Blake put Dave Fenley and Kameron Marlowe against each other.
The judges: Adam, Kelly, Jennifer and Blake Shelton have served as judges in season 15 of the NBC singing program
"New York in the house," shouted Dave, 39, of Nashville, Tennessee, when he saw Mariah.
"This season we realized that we had 200 million dollars left and we were able to get Mariah for a day and a half," joked Blake.
Dave then played Lionel Richie's Stuck On You and told the cameras he was doing it to win the show for his wife.
Country Star: Blake joked that The Voice found surplus money to pay Mariah.
"This feels like it's your heart," Mariah told him about her connection to the song.
"He got over that hotshot," joked Dave as Kameron rehearsed his own song.
Kameron, 21, of Kannapolis, North Carolina, played Bob Marley's I Shot the Sheriff and Blake told him he and his girlfriend Gwen Stefani heard him at the lake.
Strong connection: Dave Fenley made Stuck On You by Lionel Richie
The participant admitted that he was surprised to continue in the program, since Blake said that the song was a risk for him.
Mariah assured him that the voices were strong and that she enjoyed the melody.
Jennifer said she would accept the classic sound of Dave, while Adam admitted that he felt "stupid" because he had not turned his chair for either of them.
Good song: Kameron, 21, from Kannapolis, North Carolina, played Bob Marley's I Shot the Sheriff
The decision: Dave and Kameron awaited their fate before Blake finally chose Dave
Blake said the decision was "sucked" when he chose to send through Dave, but Adam only took a few seconds to steal Kameron from his team.
"Hell, yes, I'm so happy," Adam said.
La Voz will return next week on NBC.
The moment: Carson Daly, Voice's host, was standing next to Kameron while he was available to steal
Rapid robbery: Adam was happy after stealing Kameron from Blake's team