Kate, the Duchess of Cambridge, takes a seat in the Royal Box on day eleven of the Wimbledon Tennis Championships in London, Thursday, July 7, 2016. (AP Photo/Ben Curtis, pool)
Kate, the Duchess of Cambridge, takes her seat in the Royal Box during day ten of the Wimbledon Tennis Championships in London, Thursday, July 7, 2016. (Kirsty Wigglesworth/AP)
Kate, the Duchess of Cambridge sits in the Royal Box on day eleven of the Wimbledon Tennis Championships in London, Thursday, July 7, 2016. (Gerry Penny/Pool Photo via AP)
Kate, the Duchess of Cambridge, second left, applauds in the Royal Box on day eleven of the Wimbledon Tennis Championships in London, Thursday, July 7, 2016. (AP Photo/Ben Curtis, pool)
Kate, the Duchess of Cambridge, lspeaks with Sophie, the Countess of Wessex and Wimbledon chief Philip Brook in the Royal Box on day eleven of the Wimbledon Tennis Championships. (AP Photo/Ben Curtis, pool)
Kate, the Duchess of Cambridge, speaks with Wimbledon chief Philip Brook in the Royal Box on day eleven of the Wimbledon Tennis Championships in London, Thursday, July 7, 2016. (AP Photo/Ben Curtis, pool)
Kate, the Duchess of Cambridge, applauds in the Royal Box on day eleven of the Wimbledon Tennis Championships in London, Thursday, July 7, 2016. (AP Photo/Ben Curtis, pool)
Kate, the Duchess of Cambridge, sits in the Royal Box on day eleven of the Wimbledon Tennis Championships in London, Thursday, July 7, 2016. (AP Photo/Ben Curtis, pool)
Kate, the Duchess of Cambridge, sits in the Royal Box on day eleven of the Wimbledon Tennis Championships in London, Thursday, July 7, 2016. (Kirsty Wigglesworth/AP)
Kate, the Duchess of Cambridge, sits in the Royal Box on day eleven of the Wimbledon Tennis Championships in London, Thursday, July 7, 2016. (Kirsty Wigglesworth/AP)
Kate, the Duchess of Cambridge, singer Barry Gibb, his wife Linda Gibb, and actress Sophie Turner, top center right, sit in the Royal Box during day ten of Wimbledon. (Kirsty Wigglesworth/AP)
Kate, the Duchess of Cambridge, singer Barry Gibb, his wife Linda Gibb, and actress Sophie Turner, top center right, sit in the Royal Box during day ten of Wimbledon. (Kirsty Wigglesworth/AP)
The Duchess of Cambridge, Kate Middleton, had some fun in the sun when she attended the Wimbledon Tennis Championships in London on Thursday, July 7, 2016. See photos of her visit in the gallery above.