The service, held at London’s Westminster Abbey, was a larger event than the funeral that was held in 2021. Prince Philip died at Windsor Castle in April 9, 2021, CNN reported.
Queen Elizabeth II made her first public appearance in almost five months at the service, CNN reported.
Last year she attended the funeral for her husband of 73 years, but due to COVID-19 regulations, she sat alone as only 30 people were allowed to attend that ceremony.
Since that time, the queen has had a number of health challenges, including being diagnosed with COVID-19 in late February, The Associated Press reported last month.
This time, Elizabeth was seated with her son and heir Prince Charles, Prince William, Duchess Catherine and other members of the royal family.
Queen Elizabeth was escorted into the church by her second son, Prince Andrew, but she proceeded to her seat alone, the AP reported.
Andrew has not been an active member of the royal family after he settled a lawsuit relating to his relationship with convicted sex offender Jeffrey Epstein. The queen had stripped Andrew of his royal titles, The Washington Post reported.
Prince George and Princess Charlotte also attended the service.
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Britain's Prince William, Duke of Cambridge (left), Catherine, Duchess of Cambridge (right), and their children Prince George of Cambridge and Princess Charlotte of Cambridge arrive to attend a Service of Thanksgiving for Britain's Prince Philip, Duke of Edinburgh, at Westminster Abbey in central London on March 29, 2022. (DANIEL LEAL/AFP via Getty Images)
Friends of Prince Philip, foreign kings and queens, members of the military, Prime Minister Boris Johnson and more than 500 representatives from charities and organizations Philip championed also attended the service of thanksgiving, which had been planned by the queen, CNN reported.
In total, about 1,800 people were allowed to attend Tuesday’s service, the AP reported.
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Britain's Queen Elizabeth II is driven in to attend a Service of Thanksgiving for the life of Prince Philip, Duke of Edinburgh at Westminster Abbey in London, Tuesday, March 29, 2022. (AP Photo/Frank Augstein)
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Britain's Prince William, Duke of Cambridge (left), Catherine, Duchess of Cambridge (right), and their children Prince George of Cambridge and Princess Charlotte of Cambridge arrive to attend a Service of Thanksgiving for Britain's Prince Philip, Duke of Edinburgh, at Westminster Abbey in central London on March 29, 2022. (DANIEL LEAL/AFP via Getty Images)
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Britain's Prince William and Kate, the Duchess of Cambridge, with their children Prince George and Princess Charlotte arrive to attend a Service of Thanksgiving for the life of Prince Philip, Duke of Edinburgh, at Westminster Abbey in London on Tuesday, March 29, 2022. (AP Photo/Matt Dunham)
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Britain's Prince Charles arrives to attend a Service of Thanksgiving for the life of Prince Philip, Duke of Edinburgh, at Westminster Abbey in London on Tuesday, March 29, 2022. (AP Photo/Matt Dunham)
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Britain's Camilla, the Duchess of Cornwall, arrives to attend a Service of Thanksgiving for the life of Prince Philip, Duke of Edinburgh, at Westminster Abbey in London on Tuesday, March 29, 2022. (AP Photo/Matt Dunham)
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial A Royal fan waves a flag showing Queen Elizabeth II as crowds gather ahead of a Service of Thanksgiving for the life of Prince Philip, Duke of Edinburgh, at Westminster Abbey in London on Tuesday, March 29, 2022. (AP Photo/Frank Augstein)
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Britain's Queen Elizabeth II is driven in to attend a Service of Thanksgiving for the life of Prince Philip, Duke of Edinburgh, at Westminster Abbey in London on Tuesday, March 29, 2022. (AP Photo/Frank Augstein)
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Princess Anne, Princess Royal, attends the memorial service for the Duke of Edinburgh at Westminster Abbey on March 29, 2022, in London. (Chris Jackson/Getty Images)
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Princess Eugenie of York attends the memorial service for the Duke of Edinburgh at Westminster Abbey on March 29, 2022, in London. (Chris Jackson/Getty Images)
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Britain's Princess Beatrice and Edoardo Mapelli arrive to attend a Service of Thanksgiving for the life of Prince Philip, Duke of Edinburgh at Westminster Abbey in London, Tuesday, March 29, 2022. (AP Photo/Matt Dunham)
Photos: Queen Elizabeth II, British royal family attend Prince Philip memorial Britain's Prince Edward and Sophie, the Countess of Wessex, with their children Lady Louise Mountbatten-Windsor and Viscount Severn arrive to attend a Service of Thanksgiving for the life of Prince Philip, Duke of Edinburgh, at Westminster Abbey in London on Tuesday, March 29, 2022. (AP Photo/Matt Dunham)