Carrie Underwood has enjoyed many unimaginable moments in her life and her latest was no exception. The country music star shared her joy as she delivered a heartfelt message on social media following a performance of a lifetime. MORE: Carrie Underwood's tasseled dress might be her most impressive look yetTaking to Instagram, Carrie posted a series of photos of her on stage with Guns N Roses and gushed: "Never in a million years did I think I would get to spend not one but TWO nights of my life on stage with @gunsnroses.WATCH: Carrie Underwood and Mike Fisher's love story "Thanks, again, to the band and crew and, of course, to the fantastic crowd! The energy was electric. Until next time."Fans said she was "on fire," and added: "Thank God even crazy dreams come true."MORE: Carrie Underwood resembles a Greek goddess with her beautiful gown and flowing hairMORE: Carrie Underwood stuns in denim shorts in gorgeous new photosOthers wished her a safe journey back to the US, as she's been busy working in the UK.