Uma Thurman and Arpad Busson
01/19/2010 at 06:00 PM EST
Two months after calling off
, Uma Thurman
multimillionaire Arpad "Arki" Busson were seen smooching on a bench in New York on Tuesday.
Although Thurman, 39, and Busson, 46, ended their year-long engagement in November, a
source told PEOPLE that the couple still "remained friends."
So are they just pals who happen to lock lips or could they be
rekindling their romance? Thurman's rep could not be reached.