Remember last year when Hils was dating uber babe and personal trainer, Jason Walsh? Well they were just spotted working out together in New York and according to an E! News source, the reunion was "very flirty."
"They were playful with each other. They were near the bike path on the West Side Highway near Chelsea Piers. They would pause to talk in between workouts. She was laughing a lot," the sneaky onlooker spilled.
But they were also pretty careful to keep the PDAs to a minimum, with the eyewitness adding that they "weren't holding hands or kissing."
We know what you're thinking—maybe he's still her personal trainer? Nope, the actress told Cosmo that she got a different trainer when she and Jason split back in November.
So it defs seems like they've rekindled their love again. Especially since they reportedly "left together and went into her apartment building together."
And while Hils might not be ready to go public with their reunion, she did share a cryptic snap of their location on Insta, which she captioned "Detour...."