"Taylor Time," the New York Jets quarterback captioned a video clip from the May 27 show.
"I love you all in that crazy crowd last night," the pop star wrote after her New Jersey show on May 26.
The former couple was spotted together at Swift's sold-out MetLife Stadium show on May 26.
The superstar will play three shows at MetLife Stadium in East Rutherford, N.J., this weekend.
The keyboard was likely damaged by three hours worth of rainstorms from the night before.
Despite advances in ticket safety technology, fraud is still a problem for major tours.
"Philly was a dream, honestly," the pop star tweeted.
Safe to say this Swiftie had a handle on all the singer's famous lyrics during Friday night's Eras Tour stop.
"It was the sweetest thing ever because I just think she couldn't have comprehended that I would write a song about the two of us," the star said of penning "The Best Day."
The WDTY FM will also play the star's hits nonstop through May 15.
