The Queen - who led thanksgiving service for her late husband Prince Philip at Westminster Abbey in central London on Tuesday - arrived by a side entrance and used a walking stick.
The 95-year-old monarch was helped to her seat by her second son, Prince Andrew as she made her first major public appearance in months amid health worries.
The royal fans and experts were not sure about the Queen's appearance at the big family event amid her health worries as the Buckingham Palace only confirmed the monarch's attendance at Philip´s memorial service around two hours before it was due to start.
The Duke of Edinburgh, to whom the queen was married for 73 years, breathed her last on April 9 last year, just a few weeks short of his 100th birthday.
The Service also marked Prince Andrew's first official public appearance since he was stripped of his military titles and royal patronages and paid millions out of court to settle a civil sexual assault case with his accuser Virginia Giuffre.
Prince Andrew's appearance and support to the Queen is becoming trend on Twitter as fans and critics are speculating about the the Duke of York's future role in the Firm after a clear signal of the monarch's support for her son.