Taylor Swift fans in Las Vegas who couldn’t wait until Friday night (March 24) to learn all the details of The Eras Tour might have read up on the setlist, stage production and fashion from last weekend’s opening concerts in Glendale, Ariz. But even the most well-researched Swifties were still in for surprises at the first of her two-night stand at Sin City’s Allegiant Stadium, as Billboard witnessed from the crowd.
Of course, those fans already knew they were in for two songs that weren’t on the previous two setlists, after Swift performed “Mirrorball” and “Tim McGraw” during night 1’s…