But no single video by any of these user-generated superstars has ever attracted as many viewings as a clip of a little girl wearing a "Princess" T-shirt, reciting the Bible's Psalm 23.

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Princess Beatrice was wearing a blue and gold gown by British couture label Marchesa for her 18th birthday party.

BBC: Princess Beatrice at annual Garter service last month

LONDON, England -- Madonna is planning to get married wearing a tiara previously worn by the late Princess Grace of Monaco, according to her official fan club website.

CNN: Madonna to wed in Princess Grace's tiara

The painting, dated to around 1637, shows Princess Mary at the age of five or six, wearing a rich silver-laced gown and pearl head-dress, standing before a classical column and ornate gold damask curtain.

BBC: Portrait returns to Palace 'home'