Kelly Clarkson inspired Gwen Stefani’s musical comeback. The 41-year-old pop star actually convinced Gwen, 54, to return to the studio amid the COVID-19 pandemic. Reflecting on her comeback, Gwen told the ‘Audacy Check In’ podcast: “The collaborations have always been my favourite and best [music]. But in this instance, I had been going down this whole road since 2020: I wanted to make music again. “I had Kelly Clarkson, who I worked with on ‘The Voice,’ texting me all these demos of the songs she’d been writing during quarantine, and I was like, ‘But wait a minute. We’re in quarantine. I’m do…