Hilary Duff Reunites With Ex Jason Walsh!

Well, well, well!
Guess Hilary Duff has already moved on after seemingly splitting from Matthew Koma last month -- and with a very familiar face!
Remember Jason Walsh??
Related: Hilary Thinks Both Divorce & Dating Totally Suck!
It looks like her former personal trainer is back in her life as the two were spotted looking friendly in New York on Monday! One source told E! News about the seemingly "very flirty" reunion:
"They were playful with each other. They were near the bike path on the Wes