In honor of Twitter's 10th birthday, take a look at the 25 most followed users on the social networking service, as according to TwitterCounter.com.
American Kennel Club via CNN
Ben A. Pruchnie/Getty Images for Walt Disney Studios
Library of Congress [Public domain], via Wikimedia Commons
Frazer Harrison/Getty Images
Darren McCollester/Getty Images
Giuseppe Bellini/Getty Images
National Archives and Records Administration
National Park Service
iStock / kroach
Library of Congress
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