The couple looked loved up a day previous on Monday, when they attended a fly-past marking the centenary of the British Royal Air Force.
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The Duchess of Cambridge is clad in an icy blue Alexander McQueen dress with three-quarter length sleeves and her signature neckline, which she's paired with a matching hat by Sean Barrett and nude heels. The Duchess also accessorised with gloves, which she could be seen carrying alongside a clutch, all in ideal tonal coordination.
The event marked the 100th anniversary of the world's oldest Air Force - the Royal Air Force - which was formed on April 1, 1918, independent of the British Army and Royal Navy.
For 100 years the RAF has defended the skies of Britain, preventing conflicts, delivering aid and combating cyber threats while working in partnership with other services. So it is no wonder that both Prince William and Prince Harry appeared honored to be present for the celebrations.
After the royal appearance, the family watched the flypast from a balcony at Buckingham Palace with great ceremony.
After arriving at Dublin City Airport, Harry and Meghan were due to meet with Irish Prime Minister Leo Varadkar.