Kate Middleton gave birth to her third child , a baby boy, on April 23. Hours after welcoming the little prince , Kate and her husband, Prince William, debuted their new baby for fans and press, and Kate's pretty red Jenny Packham dress instantly hit us with nostalgia. The duchess seemed to be paying homage to her late mother-in-law, Princess Diana, who wore a similar billowy red ensemble when she exited the Lindo Wing of St. Mary's Hospital in September 1984 cradling her own newborn baby boy, Prince Harry . Could this be a clue that Kate and Will plan on naming their son Henry, after his uncle ? As we wait to find out, keep reading to see their appearances side by side.