updated 06/19/2012 AT 10:00 AM ET
•originally published 06/21/2012 AT 1:00 PM ET
Ashley Tisdale knows a thing or two about keeping a relationship in tact.
“Communication is so key,” Tisdale told PEOPLE at Mixology 101 inside L.A.’s Farmer’s Market Monday, when asked how she makes her relationship work. “Especially in this business, I’m always traveling and doing something else. So I think communication is the foundation of it all.”