Renee Zellweger and Bradley Cooper Keeping Their Relationship Hidden?

The romance between Renée Zellweger and Bradley Cooper appears to be heating up, but the pair aren’t ready for the spotlight just yet. “They get along really well and just kinda click,” a source told PEOPLE. “Bradley likes the speed of everything. He likes that Reneé is low-key.” The pair, who costar in the upcoming thriller Case 39, recently spent time in Spain together.