Kate Middleton: A style icon turns 36 (10 images)

The Duke and Duchess of Cambridge arrive for the BAFTA Brits to Watch dinner at the Belasco Theatre in downtown Los Angeles on July 9, 2011. Middleton is wearing Alexander McQueen. File Photo by Jim Ruymen/UPI

The Duke and Duchess of Cambridge leave the Lindo Wing of St. Mary's Hospital with their baby boy, Prince George, in London, England, on July 23, 2013. Kate Middleton wears a custom-made, light blue polka-dot dress by British designer Jenny Packham. The polka-dots are an homage to Princess Diana's green polka dot gown she wore when she debuted Prince William in 1982. File Photo by Hugo Philpott/UPI

Kate Middleton visits the "Only Connect Projects" wearing a walnut-brown, bird-print Orla Kiely woolen shift dress in King's Cross in London on November 19, 2013. File Photo by Rune Hellestad/UPI

Kate Middleton visits the Turner Contemporary Art Gallery wearing Hobbs in Margate, Kent, on March 11, 2015. File Photo by Paul Treadway/UPI