Diana Ross and Meghan Trainor have signed up to mentor the finalists on the current season of U.S. talent show The Voice.

Music legend Ross, breakout pop star Trainor, as well as Colbie Caillat and Fall Out Boy's Patrick Stump are heading to the singing competition as guest mentors to 10 aspiring singers.

They join an A-list roster of stars who have already appeared as mentors on the current season, including Taylor Swift, Stevie Nicks, Alicia Keys, Gavin Rossdale and Little Big Town.

The new batch of mentors will help coaches Adam Levine, Blake Shelton, Pharrell Williams and Gwen Stefani advise their remaining contestants.