The eighth season of the American reality talent show The Voice premiered on February 23, 2015, on NBC.

Christina Aguilera returned for her fifth season as coach after a two-season absence, replacing Gwen Stefani.

Sawyer Fredericks was named the winner of the season, marking Pharrell Williams' first win as a coach.

The first phase of the competition, the Blind Auditions began airing when the season premiered on February 23, 2015.

After announcing Anthony Riley's withdrawal[8] from the competition, Pharrell grouped three of his team members into one knockout, in which two contestants from the trio advanced and one being declared loser.

The Instant Save returned once again this season, with the bottom three artists performing for a spot on the next round via the viewers' votes from Twitter, and is in play until the semifinals.

Oklahoma country music star Reba McEntire, last seen on the show's first season as an advisor for Team Blake, returned to serve as a mentor for the top 12 contestants.

[9] This week's iTunes multiplier bonuses were awarded for Sawyer Fredericks (#2), Kimberly Nichole (#3) and Meghan Linsey (#5).

Adam, Blake, Christina and Pharrell brought in Dave Stewart, Scott Hendricks, Mark Ronson and Ryan Tedder respectively to help in this week's coaching.

Shakira was the only previous coach not to return, due to the recent birth of her second child, but she did record a video message that was aired during the live show.

[16] Special guests in the audience included Anna Kendrick, Brittany Snow and Hailee Steinfeld from Pitch Perfect 2.