Julianne Hough felt insecure during her relationship with Ryan Seacrest. The 36-year-old dancer dated Ryan, 49, for three years, but Julianne always feared that people thought she was with the TV star for the wrong reasons. During an appearance on the ‘Armchair Expert’ podcast, Julianne shared: “The rug was swept up from underneath me, and I was just flying, and I was experiencing things that I didn’t even know existed. “But then I had this insecurity that I was like, ‘I don’t ever want anybody to think that I’m with him for this reason.'” Julianne doesn’t know if she’s “ever truly been in lov…