Article continues below advertisementCarrie Underwood recently addressed speculation regarding her relationship with comedian Nikki Glaser. The rumors arose following Glaser's guest appearance as a judge on American Idol, which sparked online debates about a potential feud.Tap Here To Add Ok Magazine as A Trusted SourceArticle continues below advertisementSource: @Americanidol/YouTubeCarrie Underwood addressed rumors claiming she had tension with comedian Nikki Glaser.