Geri Horner and Victoria Beckham may be in different cities, but the fashion designer hasn't been far from her Spice Girls bandmate's thoughts.MORE: Geri Horner shares intimate glimpse inside skiing vacation with husband Christian and their kidsIn honour of Victoria's 48th birthday on Sunday, Geri - also known as Ginger Spice - shared two throwback pictures from their heyday, cementing their close bond.WATCH: Spice Girls celebrate 25th anniversary of WannabeIn the caption, she wrote: "Happy birthday! @victoriabeckham - what a woman! Wishing you the best year ahead. Xxx."MORE: Geri Horner cosies up to husband Christian Horner in rare family selfieSEE: Nicola Peltz shares new view of upgraded diamond ring as she kisses Brooklyn in new snapDespite the sweet message, fans noticed how Victoria doesn't follow Geri on the social media platform.