Princess Charlotte is getting so grown up! The adorable toddler, who turned three years old in May, waltzed into the Chapel Royal in London on Monday for her baby brother Louis's christening, and we couldn't help but notice how much she's starting to resemble her mum, Kate Middleton (as well as her great-grandmother, the queen!). Charlotte rocked a sweet blue floral dress and matching Mary Janes, as well as a hip new centre part in her hair. Scroll through these photos of Charlotte side by side with childhood snaps of Kate Middleton, then see their cutest mother-daughter moments.