Watch: promo for The Voice season 7 ft. Taylor Swift as a mentor

The singer Taylor Swift had already been confirmed as one of the mentors of The Voice season 7, and on Wednesday (22) was released a promotional video with the participation of the star in the program.

Swift will mentor for teams of four coaches, Adam Levine, Blake Shelton, Pharrell Williams and Gwen Stefani, for the seventh season of the reality show. Plus Taylor Swift, Alicia Keys, Stevie Nicks and Gavin Rossdale, of Bush are already confirmed as other mentors in the music competition.

There will be three episodes that will count with the presence of the voice of "Shake It Off"and will air in the US on 27th and October 28th and November 3rd. Also on the 27th of this month Swift will release her new album, "1989", which already has a promotional single "Out Of The Woods".

Check out the commercial below: