Those artists were Kymberli Joye, a 26-year-old from Windsor, CT, and Kennedy Holmes, a 13-year-old from St. Louis, MO.
Kymberli, who represents Kelly's team, belted out "Break Every Chain" by Tasha Cobbs, and all four coaches gave her a standing ovation.
Jennifer said Kymberli took everyone to church and anointed everyone with her song selection.
Kelly explained Kymberli blew everyone away and she has such a round tone that's a gift from God. Kelly also advised Kymberli to definitely pursue gospel music after the show because it's what she's meant to do.
And Kennedy, who represents "Team Jennifer," performed "Greatest Love of All" by Whitney Houston. She got all of the coaches on their feet except for Adam.
"I'm just so proud of you. You look beautiful. I know Mama Whitney is proud somewhere up there. You are a shining star in your own right and I love how you command the stage," Jennifer said. "We will see your name in lights!"
Dave Fenley, a 39-year-old from Nashville, TN, who sings on behalf of Blake's team, took the stage with "Use Me" by Bill Withers, and he even did a little beatboxing during the performance.
Adam admitted he was stunned to see this new side of Dave, and Blake said the artist had "a moment" and just threw himself into the heat of the competition.
Chevel Shepherd, a 16-year-old from Farmington, NM, who represents "Team Kelly," performed "Space Cowboy" by Kacey Musgraves.
Kelly was so proud of Chevel for hitting and nailing a big note, and she complimented her team member on her amazing storytelling ability.
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Blake noted he's such a big fan of Reagan because there's "something special" about her and she has "a ton of charisma," not to mention she sings "perfectly."
And Adam gushed about how he adores Reagan and she continues to impress him every week. He called her talent "unbelievable" and added that she can command a crowd at the young age of 14.
"I truly, genuinely believe -- not only that you can win this thing -- but that you can be such a tremendous star and influence on children your age... I love you," Adam told his team member.
Kirk Jay, a 22-year-old from Bay Minette, AL, sang "Body Like a Back Road" by Sam Hunt on behalf of Blake's team.
Blake said Kirk proved himself to be a combination of George Strait and Rascal Flatts and he's "one of a kind." Blake was so happy for him and proud to be his coach.
Chris Kroeze, a 27-year-old from Barron, WI, who represents "Team Blake," took the stage with "Long Train Runnin'" by The Doobie Brothers
Blake noted the audience was "freaking out" for Chris and his performance was "incredible." Blake insisted Chris just keeps getting better with every single performance.
Lynnea Moorer, an 18-year-old from Monterey, CA, who is on Kelly's team, impressed with "Consequences" by Camila Cabello.
Jennifer told Lynnea she surprises her every time she sings and she looked and sounded like a star. Jennifer said she continues to raise the bar with each passing week, and that's exactly what she's supposed to be doing on the voice.
And Kelly was so glad Lynnea had this moment as the "Comeback Artist" and she's taking the opportunity to make each performance count.
Kelly added Lynnea is an artsy person and her voice is "so relevant" for the radio right now.
MaKenzie Thomas, a 20-year-old from Wallingford, KY, who is on Jennifer's team, impressed with "Emotion" by Bee Gees.
Jennifer noted she's "so skilled" and hit her stride on the show. Jennifer also appreciated the Destiny Child's arrangement of the song and said her voice is like "butter."
"Team Kelly" member Sarah Grace, a 15-year-old from Houston, TX, belted out "Dog Days Are Over" by Florence and the Machine.
Blake loved seeing Sarah step out from behind the piano and perform like that, calling it his favorite performance of hers so far this season.
Kelly said Sarah found a sound she loves and adores, adding that she's "such a smart singer," which is a surprise given she's so young.
DeAndre Nico, a 22-year-old from Port Arthur, TX, who is on Adam's team, sang "Cry for You" by Jodeci.
Jennifer gushed about how DeAndre took her back to the days she would sit outside in her neighborhood, grill and watch the boys play basketball.
And Adam seemed very satisfied with the performance. The coach insisted he has "all of the elements" to succeed, as he's driven, has a unique tone to his voice, and sings with command that demands the whole world's attention.