Gwen Stefani tearfully performs,new breakup single about ex-husband, new boyfriend gives standing ovation

Coach Gwen Stefani taught her contestants a lesson in performing on Monday, Nov. 30. The Gwen Stefani, the No Doubt frontwoman, 46, and The Voice coach took to the flower-covered Voice stage in a white gown to belt out her new ballad, “Used to Love You.”
The breakup anthem was written about her headline-making summertime split from her ex-husband, Gavin Rossdale. Us Weekly recently broke the news that Rossdale had been cheating with the family’s former nanny Mindy Mann.

Gwen Stefani gave an emotional performance on The Voice. Credit: Trae Patton/NBC 
Stefani had tears in her eyes as she belted out lyrics like, “I don't know why I cry / But I think it's cause I remembered for the first time / Since I hated you / That I used to love you.” After it was over, coaches Pharrell Williams and Blake Shelton were shown giving her a standing ovation.
Stefani and Shelton confirmed to Us they were dating last month via Stefani’s rep.

Pharrell Williams and Blake Shelton gave a standing ovation. Credit: Trae Patton/NBC 
“Wow... @gwenstefani.... Such an amazing performance. #respect,” the country crooner, 39, tweeted on Monday night.
Us Weekly