'I look like a hot mama in my catsuit!' " Spice Girl Mel C leaps into modern dance
She rode the heights of superstardom with girl power and karate kicks. Can Sporty Spice cut it as a top-notch dancer? She talks intimate moves, Spice Girls reunions " and why Ginger can buy her own ticket In a quiet studio at Sadler's Wells theatre, three dancers in black leggings are making purposeful angles with their bodies in some pretty leftfield contemporary dance moves. One looks familiar: lean and muscular, a…