LOOK: Blonde vs Brunette! 11 celebrities who've experimented with their hair colourIt comes as no surprise then that celebrities including Holly Willoughby, Victoria Beckham, Michelle Keegan and Christine Lampard have undergone a few tweaks here and there to get their million-dollar smile looking top notch. See the before and after pictures below… The This Morning presenter doesn't appear to have had much work done on her teeth however it looks very likely she's had them subtly straightened and whitened throughout the years Throwback to 1997 and VB's teeth certainly look different, right? Today they're perfectly straight and predictably bright.READ NEXT: The most shocking celebrity hair transformations of 2019 The former Coronation Street star has arguably one of the brightest smiles on the red carpet and it's undeniably got a whole lot brighter since the left hand picture was taken in 2008. The Britain's Got Talent judge has almost certainly had the full celebrity teeth treatment over the years and she looks stunning. The model's smile has also altered since she was snapped on the football field in 2004.