What singer born in London in 1988 joined The Voice as a new judge in 2015?
The Voice (Australia season 4) The fourth season of "The Voice" premiered on 28 June 2015. Ricky Martin and Joel Madden returned as coaches for the fourth season. On 13 January 2015, it was announced that Delta Goodrem would return to the panel, and new judges Jessie J and Benji Madden would join the series, replacing former judges Kylie Minogue and will.i.am. On 22 February 2015, it was announced that Sonia Kruger would be joining the fourth season as a co-host with Darren McMullen.
The Voice (U.S. season 10) The tenth season of the American reality talent show "The Voice" premiered on February 29, 2016 on NBC. Carson Daly returned as the show's host. Adam Levine, Blake Shelton, and Pharrell Williams all returned as coaches, while Christina Aguilera returned after a one-season hiatus. Gwen Stefani did not return as a coach for this season, but was the advisor for Team Blake in the Battle Rounds.