The restaurant was Daniel, a Michelin-spangled New York eatery that regularly hosts stars brighter than its own celebrity namesake, Daniel Boulud.

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This makes the stars far brighter and sharper.

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Now Justin Bieber, Lady Gaga and for better or worse, Rebecca Black, have maximised YouTube to become even brighter stars.

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Certain rare stars, known as Cepheids, grow brighter and fainter at a regular rate.

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