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Lady Gaga, Rolling Stone Magazine

Terry Richardson/Rolling Stone Magazine

Practically everyone went gaga for Lady Gaga last year.

How do we know? Well, it's all in the magazine sales numbers.

According to Women's Wear Daily, nearly 250,000 copies of Rolling Stone's summer special featuring a gun-toting Gaga were sold. That's more than three times the mag's monthly average and by far its top seller of 2010.

The Lady's Cosmopolitan cover was the fashion glossy's best-selling issue of the year, too, while her Vanity Fair and Elle covers ranked in the top three.

So which star's newsstand numbers were the worst?

Elle, Taylor Swift


Poor Taylor Swift .

Readers just weren't that into the country cutie—her Elle cover was the worst performer of the year through October, and her Glamour and Marie Claire covers tanked, too, ranking as the second- and third-lowest-selling issues of the year, respectively.

On the bright side, at least her album sales kicked ass?

Sorry, Tay, better luck this year!