As the high-kicking, tracksuit-wearing Sporty Spice, Mel C was living her childhood dream, touring the world as one fifth of the biggest girlband in history.
After exploding on to the scene in 1996, the Spice Girls performed in front of millions, earning huge amounts of money and counting Nelson Mandela, Madonna and Prince among their fans.
But behind closed doors it was a different story for Melanie Chisholm, the working-class girl from Widnes in Cheshire, who began to struggle with imposter syndrome and guilt.
She questioned whether she was worthy of this staggering success and could not see herself as the confident on-stage persona her fans loved.
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