Just in time for the Spice Girls tour to kick off ... it appears Geri has dyed her hair back into the nostalgic, bright red shade that she was famous for. Captioning the picture with just three ...

Spice Girls. That's why I was so touched and thrilled ... Though Halliwell Horner is forever synonymous with bright Ginger Spice red hair and chunky highlights, her current color is more muted ...