The 20-year-old American model and 22-year-old British singer reunited for a couple of dates in Los Angeles over Labor Day weekend.
Jenner and Styles grabbed lunch at Food Lab café in West Hollywood on Monday. Sources told Entertainment Tonight the pair arrived together and were "super touchy feely" during the outing.
The twowere also spotted at Ysabel restaurant the previous Thursday. Insiders told People magazine Jenner "was beaming" all night as she enjoyed dinner with the One Direction singer.
"[They] are trying to spend time together again," a source said. "They're rekindling their old romance and Kendall's so excited and happy about it. She's always cared about Harry."
Jenner and Styles were first linked in 2013 and re-sparked dating rumors with a tropical getaway in December 2015. The model's half-sister Khloe Kardashian told Entertainment Tonight in January that she believed the pair were dating.
"Do I think they're dating? Yes," the reality star said at the time. "I don't know if they're, like, boyfriend-girlfriend. Nowadays I don't know. People are weird with stuff. So, I don't know their title. But I mean, they were in St. Barts together hanging out, so to me, that's dating."
Jenner was last linked to Tyler, the Creator, and gave the rapper a cute shoutout in an August interview with Vogue. The model is known for her work with Chanel, Balmain and Victoria's Secret.