PHOTO GALLERY: Geri Halliwell in Saint Tropez

Talk about zig-a-zig-ah!

Former Spice Girl singer Geri Halliwell showed of her rock hard body while vacationing in St. Tropez today. She looks good, and she knows it!

Check out all the bikini action in our gallery! See if you can spot how many different bikinis she wears in just one day!