Robert Downey Jr. Covers Taylor Swift's "Blank Space" | W Magazine

Subscribe to W ►► http://bit.ly/wyoutubesub The Oscar-nominated Oppenheimer actor performs his best role yet: Taylor Swift's back up singer. ABOUT W The Who, What, Where, When, and Why in the world of fashion and style. W provides the ultimate insider experience with an original, provocative approach to art, culture, videos, travel, fashion, and beauty.