Alexi is a well-known portrait photographer, and photographed Prince Harry and Ms. Markle last year at Frogmore House, Windsor, to mark the news of their engagement. pic.twitter.com/p42g8QRjmY
— Kensington Palace (@KensingtonRoyal) April 13, 2018
The photographer, Alexi Lubomirski, lives in the East Village — reportedly in Molly Ringwald's old place. This article at Town & Country has more on him, if it's of interest.