Helen Mirren switches up her hairdo at 80 after ditching a style that "wasn't flattering."Sting's wife, Trudie Styler, sparks a stir at 71 after fans notice her "completely different" appearance."Friends" star Courteney Cox's recent snaps had fans asking, "What's going on with her face?"Kate Gosselin's "robotic" look in an uploaded video left the internet abuzz.Fans are concerned after Serena Williams, 43, flaunted her "too thin" figure in a yellow swimsuit.From throwback styles to jaw-dropping new looks, stars like Helen Mirren, Trudie Styler, Courteney Cox, Kate Gosselin, and Serena Williams are sparking buzz with their transformations. Swipe through and see the glow-ups everyone's talking about! 5. Helen Mirren, 80, Returns to Her Signature Hairstyle in Stunning Pink Monochrome Look on

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