The heir to the British throne — wearing a striped suit and pocket square — was seen posing for photos with Senate Majority Leader Mitch McConnell (R-Ky.) and McConnell’s wife, Elaine Chao, as well as members of the Senate Foreign Relations Committee, including Sens. Bob Menendez (D-N.J.), Cory Gardner (R-Colo.), Ben Cardin (D-Md.), Tom Udall (D-N.M.) and Johnny Isakson (R-Ga.).