Teen queen Bella Thorne turns the big 1-8 on Oct. 8, 2015! The former child star has grown up right before our eyes and transformed her fashion sense in the process. In honor of her milestone birthday, we're taking a look back at Bella's style through the years. Click through to see Bella go from striking pint-sized poses to stealing the spotlight in stilettos, starting with one of her very first red-carpet appearances. At the premiere party for "My Own Worst Enemy" in Los Angeles on Oct. 4, 2008, a then-10-year-old Bella looked adorable in a frilly tutu skirt.
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At an Autism Speaks benefit in Los Angeles on Nov. 10, 2008, an adorable 11-year-old Bella Thorne struck a pose wearing her finest pearls and Mary Janes.
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A 12-year-old Bella Thorne went with a more sophisticated look for the Star Magazine Celebrates Young Hollywood event in Los Angeles on March 21, 2010.
Officially a teenager, Bella Thorne dressed the part in a cute sundress and hat at the Disney Kids and Family Upfront Presentation in New York City in March 2011.
Continuing with her teenage style, Bella Thorne went with a shiny minidress at Nickelodeon's 24th Annual Kids' Choice Awards in Los Angeles on April 2, 2011.
Donning Minnie ears, Bella Thorne attended the Cars Land opening at Disneyland in Anaheim, California, on June 13, 2012.
The day after she turned 17, Bella Thorne attended the VIP night for the Haunted Hayride at Griffith Park in Los Angeles on Oct. 9, 2014. The actress hammed it up for the cameras while rocking a more mature, casual red-carpet look.
Inspired by Tinker Bell? Bella Thorne landed on quite a few best-dressed lists after attending the 2015 MTV Video Music Awards in Los Angeles on Aug. 30, 2015, wearing a flowy, mint green Maria Lucia Hohan dress that featured a thigh-high slit.
Looking more mature than ever, Bella Thorne was a major fixture on the New York Fashion Week circuit. The starlet wore this tight pink minidress while attending the "Jeremy Scott: The People's Designer" film premiere on Sept. 15, 2015.