Fans are wondering if Gwen Stefani is considering a solo comeback, after she made a surprise appearance during Pharrell Williams' set at Coachella on Saturday night.
Billboard says the No Doubt singer joined Pharrell on stage to perform her 2005 hit that he produced, "Hollaback Girl." Before leaving the stage, Pharrell reportedly told the crowd to "look at how amazing the queen looks as she is making her arrival back to the music industry."
Gwen herself tweeted later that night, thanking him for the invitation and saying it "feels good to be out of the cave."
Gwen gave birth to her third son with Gavin Rossdale in February. She hasn't released any solo material since the 2006 album Sweet Escape, but reunited with No Doubt for the album Push and Shove in 2012.
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