The Princess of Wales joked she still sees Prince Louis as her baby - even though she recognises he is a "big boy now".
Kate made a surprise visit to the maternity unit at the Royal Surrey County Hospital in Guildford earlier today, where she stopped to speak to hundreds of members of staff and the public. And while there, she reminisced about her own three babies ( Prince George, Princess Charlotte and Louis), their scrunched-up newborn days and tiny fingernails. She joked that she still considered four-year-old Louis her baby until she saw a real infant and remembered he is, without doubt, a "big boy now".