Despite having court side seats, the cute couple were more concerned with gazing at each other, before placing a cap in front of their faces and enjoying a sneaky kiss.
Mila was also sporting a diamond (enormous) ring on her left hand, so perhaps confirmation of engagement rumours could finally be on the way.
The 'Black Swan' actress has been dating Ashton since 2012, however a recent trip to the shops while revealing the rock on her finger sparked speculation that they may have taken things to the next level.
After enjoying a bite to eat, Ashton and Mila did manage to tear their eyes away from each other once or twice, providing some pretty convincing animated reactions to the game in play.
The pair first met on the set of 'That '70s Show' in 2000, where they played a couple, Kelso and Jackie.
Ashton married Demi Moore in 2005, however the pair separated in 2011 and a divorce was officially granted in December 2013.