“The way she killed that, I wouldn’t mind if it breaks again,” another wrote.
Calling her improvisation “incredible”, one admirer remarked that her “performance was almost better this way.”
“Last minute issues solved like real pros! Tay and everyone!” another noted.
Her last song of the evening was “Karma,” and she shouted out for her boyfriend Travis Kelce after the Kansas City Chiefs defeated the Las Vegas Raiders 27-20 on Sunday in Nevada.
“Karma is the guy on the Chiefs coming straight home to me!'” she sang.
This week, Swift will visit Lucas Oil Stadium in Indianapolis as a part of her 149-date, $1.93 billion tour, The Eras Tour.
The Pennsylvania-born musician, who attracts 91.6 million Spotify subscribers each month, will wrap up The Eras Tour in Vancouver on December 8.