The "Golden Hour" singer reacts to already winning two 2019 Grammy awards and debuts her brand-new music video for "Rainbow"! #KaceyMusgraves #GrammyAwards #ERedCarpetAndAwardShows #Grammys2019 Subscribe: About E! Red Carpet and Award Shows: E! is the ultimate destination for Red Carpet coverage. And for the first time ever we’re taking you from the E!’s People’s Choice Awards directly into the show as E! is the new home of the People’s Choice Awards. From the Academy Awards to the Emmys, we give you an insider's view of the arrivals, exclusive interviews and of course, cover every stitch of the fabulous fashion. Only "Live From the Red Carpet" hosts Ryan Seacrest and Giuliana Rancic, along with E!’s entire awards team of fashion and entertainment experts, have the most comprehensive LIVE coverage of the biggest premieres and events. Connect with E! Red Carpet and Award Shows: Visit the E! News WEBSITE: Follow E! Live from the Red Carpet on TWITTER: Follow E! News on TWITTER: Like E! News on FACEBOOK: Check out E! News on INSTAGRAM: Exclusive: Kacey Musgraves Shares "Rainbow" Sneak Peek | E! Red Carpet & Award Shows

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