• Adam Levine performs at the 87th Academy Awards in Hollywood, California February 22, 2015.

Adam Levine performs at the 87th Academy Awards in Hollywood, California February 22, 2015. (Photo : REUTERS/Mike Blake)

The Top 8 contestants of "The Voice" Season 8 (2015) took the stage to participate in Live Shows Week 4 on April 27, 2015. The episode did not only featured artists' performances, but also saw the return of most of the former coaches as advisors and Season 7 runner-up. Meanwhile, Adam Levine, Christina Aguilera, Pharrell Williams and Blake Shelton continue to be the part of the show as mentors, guide and judges. Here is a detailed recap of "The Voice" Season 8 (2015) Live Shows Week 4 Performance Episode. Read on to find out what happened.

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[Spoiler alert! This article contains spoilers for "The Voice" Season 8. Please do not read further if you don't want to know more about it.]

In Live Shows Week 4, Gwen Stefani returned to mentor Team Christina and Team Pharrell, Usher joined Team Adam, and Cee Lo Green mentored Team Blake. The episode opened with a special group performance. The top 8 male artists-Corey Kent White, Joshua Davis and Sawyer Fredericks-sang Avicii's "Hey Brother." They were followed by the female artists'-Hannah Kirby, Koryn Hawthorne, Kimberly Nichole, Meghan Linsey and India Carney-performance of Avicii's "Wake Me Up."

Hannah Kirby from Team Blake took the stage next to deliver her Live Show Week 4 performance. She sang "We don't Need another Hero" by Tina Turner. Next up was Joshua Davis from Team Adam. He performed the cover of "Fields of Gold" by Sting. Kimberly Nichole from Team Christina sang "Creep" by Radiohead.

Shakira could not return to the show due to the birth of her second child. So she sent a video message from Barcelona. It was followed by special gig by Coach Blake Shelton. He sang his latest single "Sangria."

Meghan Linsey from Team Blake sang "Something" by the Beatles. India Carney from Team Christina took the stage next. She performed "Over the Rainbow" by Judy Garland. She was followed by the "The Voice" alum Matt McAndrew. He returned to perform his latest single "Counting on Love."

Performing next was Sawyer Fredericks from Team Pharrell. The contestant sang the cover of "Simple Man" by Lynard Skynard. Corey Kent White from Team Blake was next. He sang "When I See You Smile" by Bad English.

Performing last on "The Voice" Season 8 (2015) Live Show Week 4 performance episode was Team Pharrell contestant Koryn Hawthorne. She sang "Girl on Fire" by Alicia Keys.

The results of this episode will be based on public voting and will be declared in episode airing Tuesday, April 28, 2015. Fans must brace themselves for some more scintillating guest performances by Jason Derulo, Rozzi Crane and Lee Brice in the upcoming episode. "The Voice" Season 8 (2015) airs Mondays and Tuesdays at 8:00 pm on NBC. Come back for more spoilers and recaps.