Gwen Stefani celebrated her 40th birthday this weekend, so happy birthday! Gwen has been a celebrity and a fashionista ever since she first became known as the singer in the band No Doubt, where her retro style made her stand out as really different!

Since then Gwen has become a total style queen with her own fashion label LAMB.  Here are some pictures of how Gwen's style has changed over the years.

What do you think of her style?





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