Whee! See celebrities, including Britney Spears, Sofia Vergara, and Miley Cyrus, having a blast on amusement park roller coasters
Paris and Nicky Hilton
Sister play time! Paris and Nicky Hilton took a ride aboard the Big Thunder Mountain Railroad roller coaster at Walt Disney World. The sisters were joined by their parents and brothers at the resort in celebration of Paris' birthday, which was February 17, 2005.
Credit: Matt Stroshane/WDW via Getty Images