"I don't know how large the debate was, but I did see the debate," Swift said at Friday night's show in Philly.
The sweet moment arrived during an acoustic segment of the pop superstar's May 12 stadium show.
"It feels like the first time," the beloved Puerto Rico singer says.
Reeves and Co. will perform “brand new songs.”
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Mumford & Sons, The Lumineers, Odesza, Alanis Morissette and The 1975 will also topline the October event.
Chris Martin and Co. will head west for the first time in 15 years.
He was scheduled to play at Avondale Brewing Co. in July, but the venue canceled the show following a wave of social media backlash.
"Due to lightning in the area, Nissan Stadium will remain under Shelter in Place until the current storm passes," the venue wrote in an update.
Swift added a line on Saturday night to the 'Fearless' song she wrote about her longtime friend Abigail.