By Sarah Tetteh Victoria Beckham marked her 50th birthday with an iconic Spice Girls’ Vogue cover shot. The mother-of-four wowed fans with a selection of pictures past and present to celebrate her milestone birthday. The Vogue throwback was a hit with fans as it showed the pals all fresh-faced when they first burst onto the scene. Victoria, who wore her trademark short crop in the shot, posted it to her social media. The nostalgic caption read: “It’s been 26 years since my first @voguemagazine cover with the SpiceGirls and I still remember it like it was yesterday. I was 24 and we were the fir…