Stefani admitted her struggle to keep up academically with her peers impacted her self-esteem.

\"Probably my dyslexia. I didn't know any of this until now, but I think that I didn't have any confidence in myself,\" the Grammy winner divulged, saying the only \"thing that was going right for me\" was when she wrote songs or performed on stage.

Stefani shares sons Kingston, Zuma and Apollo with ex-husband Gavin Rossdale.

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