Taylor Swift Fears Heart Attack When She Makes Her "SNL" Hosting Debut

Taylor Swift fears she will have "a heart attack" when she makes her hosting debut. The 19-year-old singer - who is rumored to be dating "Twilight" hunk Taylor Lautner, 17 - is terrified about fronting hit U.S. comedy show "Saturday Night Live" this weekend but can't wait for her stint in front of the camera.

She wrote on her Twitter page: "Starting the SNL process I kinda feel like I might have a heart attack or pass out in the pitch meeting. I'm that excited. (sic)"

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Despite her fears, Taylor can't stop thinking about the show and admitted last week she is incredibly organized in her preparations for presenting the program.

She said: "I try to prepare for everything beyond the extent of preparation. So I have all these ideas for skits. I'm probably gonna walk in there with 35 ideas."

The Grammy nominee recently claimed that she is concerned her clean-cut image disappoints some people.

She explained: "Sometimes people are fascinated by the fact that I don't care about partying, almost to the point where they think it's weird. I think when we get to the point where it's strange for you not to be stumbling around high on something at 19, it's a warped world."