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Gwen Stefani: Turning 42 with Style!

As she celebrates her birthday on Oct. 3, see how the singer has rocked her signature looks through the years (21 Photos)

Lindsay Hahn & Alina Dizik on Oct 3, 2011 at 9:46AM

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Alphonso Chan/Getty Images

Abs-olutely!

Just weeks before her 40th birthday, Stefani rocks out and shows off her killer abs (courtesy of her workout sessions with celeb trainer Gunnar Peterson) while sporting a chic and edgy tuxedo look with black combat boots at the F1 Rocks Singapore concert in Singapore in Sept. 2009. Turning 40 never looked so good!