The 34-year-old singer joined the Democratic presidential candidate while greeting college students at Schenley Park on Monday (November 2) in Pittsburgh, Penn.
Biden is holding a drive-in campaign rally tonight at Heinz Field in Pittsburgh and Gaga will be making an appearance at the event.
Over the weekend, she tweeted, ” AM SO EXCITED to be back in Pennsylvania! (Pittsburgh where I used to fly into to visit my grandma!). See you tomorrow at Joe’s rally! WE NEED EVERY VOTE PA – make a plan. This election depends on you! ❤️ #Biden #vote.”