While the Canadian actress, 26, is determined never to film gratuitous smooching scenes, she admits she has to field disapproving calls from her family on a regular basis.
Lilly says, "They're very conservative and they're very, very bothered by the kissing scenes I have to do.
"But being a Christian doesn't sit well in this industry. I don't mind kissing scenes if they're telling the story but I won't do them if they are gratuitous.
"Any time there anything even slightly risque on the show my family are on the phone saying, 'We didn't like that.'"