Courtesy of Forme Science Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment If you purchase an independently reviewed product or service through a link on our website, The Hollywood Reporter may receive an affiliate commission. Training for the record-breaking Eras Tour was no joke, as evidenced in Taylor Swift's new six-part deep dive, The End of an Era.