The event was attended by senior royals including Prince Charles and the Duke and Duchess of Cambridge.
The pair were spotted looking lovingly at each other while the Queen made her way into the palace. Meghan has become particularly close to her father-in-law, who walked her down the aisle and was instrumental in helping Meghan and Harry with wedding planning.
Queen Elizabeth followed in her own separate carriage while Prince William and Prince Charles rode on horseback because they are both royal colonels of the Household Division.
British Royal Air Force Red Arrows pilots have performed a fly-past in London during the annual Trooping of the Colour ceremony.
Prince Harry is relegated to a spot in a carriage because he is not a royal colonel.
Instagram princesseugenieShe shared the snap ahead of Father's Day this weekend reportedly very close to her father
Meghan, the new Duchess of Sussex, wore a stunning dress by Carolina Herrera and a hat by Philip Treacy.
At 1pm, the royals gathered on the balcony for the RAF flypast featuring 23 modern and historic planes, Meghan taking centre stage.
These facts have led some sources to believe that Meghan may pull out of the trip if she were to fall pregnant before October. "They will go on, and good luck to them, long after we are a republic".
The Duke and Duchess of Sussex, who married last month, will travel to Sydney for the 2018 Invictus Games - a Paralympics style event for defence veterans - of which Prince Harry is patron.
Harry and Meghan's first major tour as husband and wife will be in October as part of Harry's Commonwealth Youth Ambassador role.
The Duke and Duchess of Sussex have taken their places for the first time with the Queen on Buckingham Palace's balcony after Trooping the Colour.
Afghan Taliban call for ceasefire during Eid
The militants said foreign forces would be excluded from the ceasefire and that operations against them would continue. He added that eight Taliban attackers were killed and more than a dozen others were wounded during the gun battle.
Cyberpunk 2077 gets awesome new trailer, prepare to get drekked
As far as we know, it could be another 2077 days before it will even hit shop shelves (but, please let that not be the case). The letter opens with an apology for the delay between the first Cyberpunk teaser in 2013 and the E3 2018 trailer.
Samsung announces the affordable but feature rich Galaxy J3 and J7
On the connectivity front, the handset includes 4G VoLTE, Wi-Fi 802.11ac, Bluetooth 5, Global Positioning System with GLONASS. Connectivity options include 4G VoLTE, Bluetooth 4.2 LE, GPS, Wi-Fi a/b/g/n, HT40, and 3.5mm audio jack.