On Ryan Seacrest's radio show on Wednesday morning The American Idol judge revealed she'd tried the month-long plan. "I did the vegan 22-day plan and it was really good and I kept on with it for a few more weeks, and now I've incorporated a little bit of fish here and there," she shared. "But I've got to tell you I enjoy it. I enjoy eating that way. I never did. And I didn't know how good you can feel when you put healthy stuff in your body."