April 13, 2012 09:00 AM

Three’s company! Hilary Duff debuted a new Twitter profile photo this week, sharing a shot of herself and husband Mike Comrie with their bundle of joy, 3-week-old son Luca Cruz. “No better feeling [than] a peaceful baby sleeping on your chest … wonder what he’s dreaming about?” the singer-actress, 24, wrote recently. “#happymommy”

Jennifer Wilson Photography

RELATED: Hilary Duff Introduces Son Luca Cruz

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