By Caitlin Petreycik
Updated Apr 29, 2011 @ 9:35 am
Queen Elizabeth
Credit: Dan Kitwood/Getty

In her canary yellow wool crepe dress and matching coat, Prince William's royal grandmother Queen Elizabeth II was certainly easy to spot in Westminster Abbey this morning. Her wedding-day outfit was created by Angela Kelly, who also made the Queen's hat—a matching topper with handmade silk roses and apricot-colored leaves. “The Queen’s outfit is more clean lined than usual—the big buttons are missing," InStyle's fashion director Hal Rubenstein weighed in. "She actually looks rather sleek, with her now-standard female version of the top hat. Her silhouette is constant and unchanging, which is just as it should be. And I love that she’s wearing Queen Mary's true lover's knot brooch. It’s so fabulous.” What do you think of the proud grandma's sunny look?