To celebrate #NationalKissingDay, we've taken a look back at some of our favourite royal kisses. Click through to see them...
The Duke and Duchess of Cambridge
Prince William and his new wife Catherine sealed their union with a kiss on the balcony at Buckingham Palace following their wedding on 29 April 2011.
King Jigme Khesar Namgyel Wangchuck and Queen Ashi Jetsun Pema Wang
The Bhutanese royals kiss in front of 50,000 well-wishers on the final day of their wedding celebrations in Thimphu on 15 October 2011.
King Abdullah II and Queen Rania of Jordan
King Abdullah II of Jordan and Rania Al Abdullah Queen of Jordan kiss during a visit to 10 Downing Street on 22 June 2009, as they leave for separate engagements.
Mike Tindall and Zara Phillips
On 30 July 2011 Zara Phillips, daughter of Princess Anne, married rugby union player Mike Tindall at Canongate Kirk in Edinburgh.
Prince Carl Philip and Princess Sofia of Sweden
Prince Carl Philip and Princess Sofia kiss after their wedding in Stockholm's royal palace chapel, on 13 June 2015. Thousands of people lined the streets to witness the occasion.
Prince Nikolaos of Greece and Tatiana Blatnik
On 25 August 2010 Prince Nikolaos of Greece married Tatiana Blatnik married in Spetses.
Princess Victoria and Daniel Westling
Princess Victoria of Sweden and Prince Daniel kiss as they leave Storkyrkan Church after their wedding on 19 June 2010.
Prince Frederik and Princess Mary of Sweden
Danish Crown Prince Frederik and Princess Mary kiss on the balcony of Christian VII's palace after their Copenhagen wedding on 14 May 2004.
Queen Elizabeth II and Prince Philip
Queen Elizabeth II and Prince Philip, Duke of Edinburgh kiss during New Year's Eve celebrations a the Millennium Dome in 1999.
Prince Charles and Diana, Princess of Wales
Prince Charles and Diana shortly after their nuptials on 29 July 1981.