Ellen K, a side host on KIIS-FM's On Air With Ryan Seacrest, shared in an Instagram video saying that she witnessed Swift and Harris holding hands while walking down a hallway at the StubHub Center. "They were really happy," she said.
Swift's rumored romance with the 31-year-old musician comes just months after she told British Vogue that she wasn't interested in a relationship.
"Dating or finding someone is the last thing on my mind, because I can't picture how it could work with the way my life is," she told the magazine's November 2014 issue. "I just don't see how it could work, so I don't think about it, and I kind of run from it when it presents itself."