with an extremely ticklish fiancee?

My fiancee and I have a problem in the bedroom. She is ticklish everywhere, especially around her thighs/waist. Being sensitive is one thing, but, she starts giggling when I'm trying to be so serious. I get a little frustrated. She is overly ticklish on her back and neck too. So when I kiss or touch her there she loses it too. Obviously she can't control it, but, I just don't know what to do. We're both virgins, and this habit of hers is making me dread the wedding night!