We knew she had one of the most popular tours of 2011, but now we know that Taylor Swift entertained the most audience members as well. The tallies are in, and the 22-year-old officially drew the largest crowd for her Speak Now world tour last year.

The 'Ours' singer outsold U2 with the last leg of her globe-trotting trek to take the No. 1 spot, according to StubHub. Lady Gaga came in third, with fellow country star Kenny Chesney's Goin' Coastal tour claiming the fourth spot, and Katy Perry rounding out the top five.

Taylor also had the most popular music event in three major cities last year -- Hartford, Conn., Atlanta and Orlando. Kenny's tour, which included the Zac Brown Band, Uncle Kracker and Billy Currington, claimed two urban areas -- Boston and Kansas City, Mo.

Taylor's 98-city outing, which featured guest appearances by artists from all genres (Justin Bieber, Usher, Tim McGraw and Hot Chelle Rae, to name a few), was so successful thanks to the attention the entertainer gave to every detail of the show.

"I am so proud of this tour, and the reason why it's so much fun is because I obsess over how to treat each song," the reigning CMA Entertainer of the Year explains. "One of the things that I love about the Speak Now tour is that it's very theatrical, and each song has its own treatment. The reason I obsess over it so much is that I obsess over writing [the songs] so much."

Fans who didn't get to see Taylor shine on stage can still watch the songbird in action, thanks to a CD/DVD combo pack of her performance live. She will wrap up the cross-cultural tour in March with a series of shows in Australia and New Zealand. See her remaining dates here.

The singer-songwriter will spend the weekend in Los Angeles, where she will perform during the Grammy Awards telecast. She's also nominated in three categories, including Best Country Solo Performance for her self-penned hit, 'Mean.'

The Grammy Awards will air live from Los Angeles' Staples Center, Feb. 12 at 8:00 PM ET on CBS.

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