Hilary Duff Explains Her “Mature” Lyrics About An Age-Gap Relationship

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Hilary Duff has no interest in digging up the past. While her latest lyrics uncovers some deeper themes, Duff has not spoken directly about most of the inspiration behind her new music — even if theories are flying about “Mature,” her track about an “inappropriate” age-gap relationship.

The song’s lyrics are about an ex who habitually dates younger women. In the chorus, Duff describes this pattern: “She looks / Like all of your girls but blonder / A little like me, just younger / Bet she loves when she hears you say / ‘You're so mature for your age, babe.’”

During a Glamour cover story, published Feb. 17, Duff refused to share which ex she penned the song about. “If I wanted to say who, I would,” she told the outlet. While she did not name any names, Duff did reveal that a short-term roman...