The royal family attend the Easter Sunday church service at St George's Chapel every year.
Zara was also showing of her growing baby bump in fetching blue ensemble as she celebrated the Resurrection of Christ.
Prince William and Kate Middleton, who are expecting their third child together, arrived late for Easter church services with Queen Elizabeth on March 31, Sunday, the royals stepping out together as the pregnant Kate's due date is near.
Anne's son Peter Phillips and his wife Autumn, as well as Prince Edward, the Countess of Wessex and their children Lady Louise Windsor, 14, and James, Viscount Severn, 10, also attended the service.
Prince Harry and Meghan Markle - who will Wednesday in May - opted to skip church services. The Duchess is reportedly due on April 23 and will deliver the baby in a luxury maternity suite in the Lindo Wing of St. Mary's Hospital where she gave birth to Prince George and Princess Charlotte.
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According to the Aerospace Corporation , the odds of Tiangong-1's wreckage hitting anyone in particular are pretty low. When it reaches a height of about 70 kilometres above the surface, the atmosphere will start to melt the station.
Members of the public waited outside the chapel as 91-year-old Queen Elizabeth arrived.
Jack Brooksbank, who is engaged to the queen's granddaughter Princess Eugenie, made his first Easter appearance with the royal family.
William and Kate, who are all set to welcome their baby No. 3 later this months, arrived in their royal auto along with the Queen and other members of the royal family at St. George's Chapel at Windsor Castle, which is Prince Harry and Meghan Markle's wedding venue for May 19.
The Queen was presented with posies by Madeline Carleston and Amelia Vivian, two six-year-old girls whose parents work and live in the castle, when she arrived.
It is understood Prince Philip missed the annual Maundy Service on Thursday because of a problem with his hip. 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.
However, what is more intriguing is that the new addition to the royal family will be born a commoner, even though it will be given an impressive title. Last year, The Palace of Holyrood House, Windsor Castle and the Royal Mews at Buckingham Palace hosted Easter Egg Hunts for the community.