Meghan, the Duchess of Sussex gestures as she walks with her husband, Prince Harry, as they attend a garden party at Buckingham Palace in London, Tuesday May 22, 2018, their first royal engagement since their wedding on Saturday. The event is part of the celebrations to mark the 70th birthday of Prince Charles.  (Dominic Lipinski/Pool Photo via AP)
Meghan, the Duchess of Sussex gestures as she walks with her husband, Prince Harry, as they attend a garden party at Buckingham Palace in London, Tuesday May 22, 2018, their first royal engagement since their wedding on Saturday. The event is part of the celebrations to mark the 70th birthday of Prince Charles. (Dominic Lipinski/Pool Photo via AP)
PHOTO: Dominic Lipinski/AP
Now playing
01:30
Harry and Meghan make post-wedding appearance
Meghan, the Duchess of Sussex, spoke publicly for the first time about George Floyd
Meghan, the Duchess of Sussex, spoke publicly for the first time about George Floyd's death. She was speaking to the graduating class of Immaculate Heart High School in Los Angeles, in a video message commencement speech.
PHOTO: The Duchess of Sussex
Now playing
02:39
Duchess of Sussex reflects on lingering racial injustices in US
WINDSOR, UNITED KINGDOM - MAY 06: Prince Harry, Duke of Sussex speaks to the media at Windsor Castle following the birth of his son on May 06, 2019 in Windsor, United Kingdom. Meghan, Duchess of Sussex gave birth to a baby boy weighing 7lbs 3oz at 05:26 BST. (Photo by Steve Parsons - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 06: Prince Harry, Duke of Sussex speaks to the media at Windsor Castle following the birth of his son on May 06, 2019 in Windsor, United Kingdom. Meghan, Duchess of Sussex gave birth to a baby boy weighing 7lbs 3oz at 05:26 BST. (Photo by Steve Parsons - WPA Pool/Getty Images)
PHOTO: WPA Pool/Getty Images Europe/Getty Images
Now playing
00:50
Prince Harry sends support message to Invictus Games participants
LONDON, UNITED KINGDOM - JANUARY 07: Meghan, Duchess of Sussex arrives with Prince Harry, Duke of Sussex to Canada House in thanks for the warm Canadian hospitality and support they received during their recent stay in Canada, on January 7, 2020 in London, England. (Photo by DANIEL LEAL-OLIVAS  - WPA Pool/Getty Images)
LONDON, UNITED KINGDOM - JANUARY 07: Meghan, Duchess of Sussex arrives with Prince Harry, Duke of Sussex to Canada House in thanks for the warm Canadian hospitality and support they received during their recent stay in Canada, on January 7, 2020 in London, England. (Photo by DANIEL LEAL-OLIVAS - WPA Pool/Getty Images)
PHOTO: DANIEL LEAL-OLIVAS/WPA Pool/Getty Images
Now playing
01:30
Meghan, Duchess of Sussex, loses first battle in tabloid lawsuit
Harry, The Duke of Sussex photographed in January this year during the recording of his on-camera introduction to the new animated special "Thomas & Friends: The Royal Engine". The 22-minute episode features Her Majesty The Queen and HRH The Prince of Wales as a child and has been produced as part of Thomas & Friends
Harry, The Duke of Sussex photographed in January this year during the recording of his on-camera introduction to the new animated special "Thomas & Friends: The Royal Engine". The 22-minute episode features Her Majesty The Queen and HRH The Prince of Wales as a child and has been produced as part of Thomas & Friends' 75th anniversary celebrations this year.
PHOTO: Mattel
Now playing
01:34
Prince Harry introduces 'Thomas & Friends' special
PHOTO: Reuters
Now playing
00:53
See Meghan Markle's message to 'women of the future'
LONDON, ENGLAND - MARCH 05: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex attend The Endeavour Fund Awards at Mansion House on March 05, 2020 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - MARCH 05: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex attend The Endeavour Fund Awards at Mansion House on March 05, 2020 in London, England. (Photo by Samir Hussein/WireImage)
PHOTO: Samir Hussein/WireImage/Getty Images
Now playing
01:28
Harry and Meghan's first official appearance together since royal crisis
PHOTO: From Instagram
Now playing
01:17
Prince Harry and Jon Bon Jovi jam at Abbey Road
LONDON, ENGLAND - JANUARY 16: Prince Harry, Duke of Sussex hosts the Rugby League World Cup 2021 draws for the men
LONDON, ENGLAND - JANUARY 16: Prince Harry, Duke of Sussex hosts the Rugby League World Cup 2021 draws for the men's, women's and wheelchair tournaments at Buckingham Palace on January 16, 2020 in London, England. (Photo by Chris Jackson/Getty Images)
PHOTO: Chris Jackson/Getty Images
Now playing
01:03
Prince Harry just wants to be called 'Harry' from now on
LONDON, ENGLAND - JULY 10:  (L-R)  Queen Elizabeth II, Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex watch the RAF flypast on the balcony of Buckingham Palace, as members of the Royal Family attend events to mark the centenary of the RAF on July 10, 2018 in London, England.  (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JULY 10: (L-R) Queen Elizabeth II, Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex watch the RAF flypast on the balcony of Buckingham Palace, as members of the Royal Family attend events to mark the centenary of the RAF on July 10, 2018 in London, England. (Photo by Chris Jackson/Getty Images)
PHOTO: Chris Jackson/Getty Images
Now playing
02:14
What the royal 'deal' will look like for Prince Harry and Meghan
PHOTO: Sussex Royal
Now playing
04:20
Prince Harry addresses his decision to leave royal life
PHOTO: CNN
Now playing
02:14
Princess Diana staffer: Harry speaking from the heart
LONDON, ENGLAND - JULY 10:  (L-R)  Queen Elizabeth II, Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex watch the RAF flypast on the balcony of Buckingham Palace, as members of the Royal Family attend events to mark the centenary of the RAF on July 10, 2018 in London, England.  (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JULY 10: (L-R) Queen Elizabeth II, Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex watch the RAF flypast on the balcony of Buckingham Palace, as members of the Royal Family attend events to mark the centenary of the RAF on July 10, 2018 in London, England. (Photo by Chris Jackson/Getty Images)
PHOTO: Chris Jackson/Getty Images
Now playing
01:46
New documents released in Meghan Markle's lawsuit
LONDON, ENGLAND - APRIL 19: Prince Harry sduring a reception for the Queen
LONDON, ENGLAND - APRIL 19: Prince Harry sduring a reception for the Queen's Dinner for the Commonwealth Heads of Government Meeting (CHOGM) at Buckingham Palace on April 19, 2018 in London, England. (Photo by Matt Dunham - WPA Pool/Getty Images)
PHOTO: WPA Pool/Getty Images Europe/Getty Images
Now playing
03:39
The transformation of Prince Harry
LONDON, ENGLAND - JULY 10:  (L-R)  Queen Elizabeth II, Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex watch the RAF flypast on the balcony of Buckingham Palace, as members of the Royal Family attend events to mark the centenary of the RAF on July 10, 2018 in London, England.  (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JULY 10: (L-R) Queen Elizabeth II, Meghan, Duchess of Sussex, Prince Harry, Duke of Sussex watch the RAF flypast on the balcony of Buckingham Palace, as members of the Royal Family attend events to mark the centenary of the RAF on July 10, 2018 in London, England. (Photo by Chris Jackson/Getty Images)
PHOTO: Chris Jackson/Getty Images
Now playing
02:01
Queen issues statement after royal family meeting
CHESTER, ENGLAND - JUNE 14:  Queen Elizabeth II sitts and laughs with Meghan, Duchess of Sussex during a ceremony to open the new Mersey Gateway Bridge on June 14, 2018 in the town of Widnes in Halton, Cheshire, England. Meghan Markle married Prince Harry last month to become The Duchess of Sussex and this is her first engagement with the Queen. During the visit the pair will open a road bridge in Widnes and visit The Storyhouse and Town Hall in Chester.  (Photo by Jeff J Mitchell/Getty Images)
CHESTER, ENGLAND - JUNE 14: Queen Elizabeth II sitts and laughs with Meghan, Duchess of Sussex during a ceremony to open the new Mersey Gateway Bridge on June 14, 2018 in the town of Widnes in Halton, Cheshire, England. Meghan Markle married Prince Harry last month to become The Duchess of Sussex and this is her first engagement with the Queen. During the visit the pair will open a road bridge in Widnes and visit The Storyhouse and Town Hall in Chester. (Photo by Jeff J Mitchell/Getty Images)
PHOTO: Jeff J Mitchell/Getty Images
Now playing
01:27
Source: Duchess of Sussex did not join Queen's call
(CNN) —  

The Duke and Duchess of Sussex on Tuesday made their first public appearance since they were married Saturday in a star-studded ceremony watched by millions around the world.

Prince Harry and Meghan arrived at Buckingham Palace in London to attend an afternoon garden party in honor of Harry’s father, Prince Charles, ahead of his 70th birthday.

They newlyweds had delayed jetting off on their honeymoon in order to attend the garden party – a gesture no doubt welcomed by Prince Charles, who accompanied Meghan part of the way down the aisle during the wedding at St. George’s Chapel in Windsor Castle.

Harry gives a speech next to Prince Charles, Charles
Harry gives a speech next to Prince Charles, Charles' wife Camilla, and Meghan.
PHOTO: Chris Jackson/Getty Images
Meghan, Duchess of Sussex, attends The Prince of Wales
Meghan, Duchess of Sussex, attends The Prince of Wales' 70th birthday patronage celebration.
PHOTO: Chris Jackson/Getty Images

In a bold feminist statement, the Duchess of Sussex walked unescorted down the first section of the aisle on her wedding day after her father was forced to pull out of ceremonial duties because of health issues.

Prince Charles hosted the pair’s more intimate private evening reception Saturday for around 200 guests at Frogmore House, another royal residence south of Windsor Castle.

In the days since the wedding, Prince Charles has received praise in the British press for the welcome he offered to Meghan’s mother, Doria Ragland.

He was seen taking her hand in the chapel when she was overcome with the emotion of the day and, later, walking with her as he departed the chapel alongside his wife, Camilla.

While the Prince of Wales’ birthday is actually in November, the garden party on Tuesday was an opportunity to celebrate his patronages and military affiliations, as well as others associated with the charities he supports.

Related: Royal wedding flowers donated to London hospice

Doria Ragland, Prince Charles, and his wife Camilla, Duchess of Cornwall, after the wedding.
Doria Ragland, Prince Charles, and his wife Camilla, Duchess of Cornwall, after the wedding.
PHOTO: WPA Pool/Getty Images

The party was held on the first anniversary of the Manchester Arena bombing – in which 22 people lost their lives – and several cadets and emergency service workers were also invited to the event.

In the days after the attack, Charles and Camilla visited the scene to meet with first responders.