(CNN) - Gwen Stefani is joining NBC's "The Voice" as a new coach.
The former "No Doubt" singer will replace Christina Aguilera for season seven.
Aguilera, who is pregnant with her second child, spilled the news on Twitter.
Stefani confirmed it Tuesday with an Instagram photo of her doing the show's signature peace sign.
Also joining the team is newcomer Pharell Williams, who is replacing Cee-Lo Green.
NBC will introduce the new coaches on the May 5th show.