Zac Efron and Alexandra Daddario Have Been Seeing Each Other ‘On and Off,’ Says Source

After playing love interests in Baywatch, Zac Efron and Alexandra Daddario have taken their romance off the beach.
The duo have been seeing each other “on and off since their time working together on the movie last year, but they are not officially dating,” a source tells PEOPLE exclusively. 
Efron, 30, and Daddario, 32, were spotted doing some shopping for their dogs at a Los Angeles pet store on Wednesday. After browsing the aisles together, Efron helped the actress load