updated 12/29/2008 AT 8:15 AM ET
•originally published 12/29/2008 AT 8:45 AM ET
Santa must’ve brought someone new sneakers this Christmas!
The couple’s surprise dates? Gyllenhaal’s Zodiac costar Robert Downey Jr. and his wife, Susan.
“It was cute, they were all wearing hiking gear,” says a source, “They seemed really relaxed. There were no kids around and they seemed like they were having a great time.”
Not to fear, the couple brought Jake’s dog and also squeezed in time to engage in another trademark routine: grabbing a morning cup of coffee together.
– Mary Margaret
2007: Reese finds love while filming Rendition
Best of 2008: Reese & Jake take their love on tour