"They ordered pancakes and were holding hands. (They're) working on their relationship and will probably get back together," a source said.
It was reported last month that the couple was taking a break after three years of dating.
Stone, 26, and the British hunk, 31, met on set of 2012's "The Amazing Spider-Man", and were often photographed near their NYC apartment but the pair have been consistently tight-lipped about their relationship.