Prince William's title goes to Kate Middleton.

William and Kate celebrated St. Patrick's Day with the Irish Guards, raising a glass of Guinness each.

[{"selector":"#anim-a9384558-5df1-4cac-806d-fd3105bb9dd3 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-01bbfd40-7af9-482a-b610-907ff64b532d","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-267a329d-c504-42b0-a1f2-3a342275280b","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

Kate, who recently became the regiment's Colonel, took her first salute on the parade ground in Aldershot, Hants.

[{"selector":"#anim-291160d2-53a3-4eba-99e8-5cd769e5e3e4 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-b94396f4-b84b-4e41-8604-bf2ebc4487d4","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-bbd86b1d-e0c9-4adf-a4db-6bfdc04e4cda","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

William praised the Guards and told them that serving as their Colonel had been "one of the great honors of my life".

[{"selector":"#anim-e2126a10-bd27-46c4-879e-205d46f534bc","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-42a2f3be-f475-4e3c-8274-8f3e6ba24e20","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-1b9cd8fc-c307-4e45-bc28-227b965b5c4a [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-16.893939455446457%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

[{"selector":"#anim-2ba5b84d-8049-4e41-9825-f64c194d6443 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-10.681818220708294%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-73a178d3-19b3-4838-9e10-39835e72a948","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-806b449a-ffdb-4af4-bcff-ddd8661213f8","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Kate hailed the Guards' inspiring work and their "boundless, irreverent, glorious sense of humor".

Kate was given posies by the daughters of Warrant Office Second Class Alistair Wigley.

[{"selector":"#anim-27e492d6-cfca-4c6b-be09-c3d1223654a0 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(5.303030322337445%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-cc676be4-34b3-4803-bcc1-3940c0bb2962","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-cbfc8a2f-54a1-4d9d-ba4f-26c17eb13e24","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

[{"selector":"#anim-28b7cc62-9500-4983-878c-90a237dd1258 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(6.3636363868049415%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-3e8adf59-d5b8-4d70-9dcd-777079d459f6","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-4d07762e-44ac-4bb4-8029-31656b1ade06","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] William sipped from a pint of Guinness while Kate held a half-pint in the noisy Junior Ranks dining hall.

[{"selector":"#anim-2e37baff-6ae5-4c95-8d57-375691e02d7a [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-13dd72d3-feb1-42c8-a318-670ec3657126","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-137a307e-2499-49f1-8f95-362b53f72eb4","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] William went round tables to say his farewells after 13 years and said he was going to miss their noise and humor.

The visit came a week after Kate wore camouflage gear to join the Irish Guards on a snowy Salisbury Plain.

[{"selector":"#anim-4f96d681-bdc0-49bf-bf5b-e59802dc7f67 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-05f17042-025f-48dd-8710-63daf84407c9","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-88928b65-615b-409e-9c5c-5b42c08fe1aa","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

[{"selector":"#anim-f2afb0e3-2fe4-4724-8a3e-0de19d13bf3e [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(0%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-c5de665b-c969-4b6a-8013-62ace5065a50","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-6bb2353e-b09f-4de9-930d-13b9256a9c11","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Kate promised to support and champion the Guards in all they do, a responsibility she does not take lightly.