It?s only been two days since Gwen Stefani went public with her relationship with Blake Shelton, but the singer is already busy gushing about hew new boyfriend. he 46-year-old broke her silence about her budding romance with her fellow The Voice coach, telling the hosts, ?He?s a pretty rad guy, I have to say that.? Recent reports also say that Stefani was ?blown away? by 39-year-old Shelton?s kindness during her divorce with longtime husband Gavin Rossdale, which was finalized in October.?It made her feel good again,? a source tells TMZ, adding that Shelton is the ?fun? that Stefani ?had been missing in her life for a long time.? Stefani and Shelton were recently spotted getting cozy at pal Adam Levine?s Halloween party.