Corrie's Helen Flanagan goes back to her roots as she struggles to maintain peroxide blonde crop

By DAILY MAIL REPORTER Bombshell: Coronation Street star Helen Flanagan's transformative peroxide blonde crop is growing out already When she dyed her hair peroxide blonde, Helen Flanagan perhaps didn't think about how much maintenance the new 'do would require.The 20-year-old actress, who plays Rosie Webster in Coronation Street, stepped out in Manchester today with her dark roots clear to