In the picture, Jessica’s twin son’s Brian and John, who served as page boys, are seen carrying Meghan’s veil as she entered St George's Chapel, at Windsor, on 19 May last year.
'Almost a year ago ... google reminded me.' she captioned the pic.
Fans and celebs were quick to comment on the post.
Actress Mindy Kaling wrote: 'Could they be any more iconic'. While Meghan's Suits co-star Sarah Rafferty left a heart emoji on the post.