Supermodel Kate Moss says she has avoided Twitter so people do not know what she is doing.
The new face of high-street chain Mango said she also found fame "uncomfortable" and wished she could go shopping without attracting attention.
In an interview with the Times supplement T2, Moss said she tried to live a normal life but sometimes found the constant spotlight on her "annoying".
Asked whether she would ever tell all in a book, she replied she would not be able to "spill the beans" for a long time.
She also said the artist Lucian Freud had made a lasting impression on her, of all the public figures she had met.
But she denied she would ever join the host of celebrities using Twitter.
"I couldn't think of anything worse than people knowing what I'm doing all the time," she told the newspaper. "I just don't understand it. I don't get it all. Why would anybody want to know?
"I try to be the opposite, so people don't know anything that I'm doing. I don't want people to know anything!"