Kate is unlikely to be part of the group since she will have a baby just a few weeks old, and is technically higher status than Meghan in royal family and would not traditionally take a "subservient role".
Kate and William were actually late to the church services at St. George's Chapel in Windsor Castle because they were stuck in traffic and they arrived after the queen made her grand entrance, according to Town & Country.
Next year, the Royal family's Easter festivities will have one more royal in attendance, as Duchess Kate is now pregnant with the couple's third child. Her sister Princess Eugenie, who attended with fiance Jack Brooksbank, sported a black jacket accessorised with a red hat and black skirt with brightly coloured spots.
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The royal couple - who already have Prince George, four, and Princess Charlotte, two, together - are set to welcome their new addition into the world any day now, but have decided against finding out the gender of the little one as they want a surprise.
Zara Tindall, who is expecting her second child, was also at the ceremony.
Earlier this week, Prince Phillip, 96, had to pull out of another church outing due to issues with his hip and it seems like he's still recovering because did not attend the church services on Sunday. The Telegraph reported that Prince Philip wasn't feeling well last week and was unable to attend an event at Windsor Castle with the Queen. Perhaps the royal siblings were enjoying an Easter egg hunt at home.
When it was announced past year that he would be retiring from official engagements, Buckingham Palace stressed that the decision was not health-related and he had the full support of the Queen.