Meghan Markle joins the royal family at the Commonwealth Day service: all the pictures

The "Fab Four" are back together again! After first appearing all together back in February, the four arrived at Westminster Abbey in a group to attend the Commonwealth Day service. <p>Photo: &copy; Getty Images
Meghan smiled at the Duchess of Cambridge as she looked back to share a moment with her future sister-in-law. <p>Photo: &copy; Getty Images
Meghan Markle and Prince Harry perfectly coordinated outfits, with the former actress donning a white coat and navy-blue dress, paired with a clutch and white beret. Harry looked dapper in a simple navy suit for the service. <p>Photo: &copy; Getty Images
Duchess Kate and Prince William were cheerful as ever while arriving at Westminster Abbey. The pregnant royal wrapped up her baby bump in a classy navy coat. <p>Photo: &copy; Getty Images
The Queen was all smiles at the Commonwealth Day service, stunning in a plum coat and matching floral hat. <p>Photo: &copy; Getty Images
Meghan clutched on to a beautifully coloured bouquet of flowers alongside her husband-to-be Prince Harry. <p>Photo: &copy; Getty Images
Camilla, Duchess of Cornwall, arrives at Westminster Abbey in a gorgeous blue and white coat. The royal accessorized with a beautiful hat and leather gloves. <p>Photo: &copy; Getty Images
Former One Direction band member Liam Payne was on hand to perform at the service. <p>Photo: &copy; Getty Images
The Countess of Wessex opted for the ever-popular colour navy-blue for her Commonwealth Day outfit. Her ensemble was completed with a pair of beige heels and a grey hat. <p>Photo: &copy; Getty Images
Meghan graciously chatted with the little girl, who was elated to be meeting a future royal. <p>Photo: &copy; Getty Images
Duchess Kate took a turn to greet the children while exiting Westminster Abbey. <p>Photo: &copy; Getty Images
Her Majesty showed off her megawatt smile after leaving Westminster Abbey! <p>Photo: &copy; Getty Images
The 'Fab Four' chatted briefly inside the Abbey before taking their seats for the service. <p>Photo: &copy; Getty Images
Prince Harry took a turn to crouch down and shake hands with two adorable fans. <p>Photo: &copy; Getty Images
Meghan smiled at her fans, showing off her stunning engagement ring. <p>Photo: &copy; Getty Images
Meghan and Harry were all smiles as they left the Abbey after the service. <p>Photo: &copy; Getty Images
The future royal couple greeted guests inside Westminster Abbey. <p>Photo: &copy; Getty Images
Meghan graciously spent some time chatting with a group of schoolboys outside of Westminster Abbey. <p>Photo: &copy; Getty Images
Camilla, Prince William and Kate watched the Commonwealth Day service performers. <p>Photo: &copy; Getty Images
Harry joked around with some children waiting to greet him. <p>Photo: &copy; Getty Images
The Queen and Liam shared a handshake before the service began. <p>Photo: &copy; Getty Images
Former One Direction band member Liam Payne performed at the Commonwealth Day service. <p>Photo: &copy; Getty Images
The Queen waited to take her seat, standing during a procession. <p>Photo: &copy; Getty Images
The Duke and Duchess of Cambridge met with fans outside of the Abbey. <p>Photo: &copy; Getty Images
Her Majesty left Westminster Abbey with a bouquet in her hands. <p>Photo: &copy; Getty Images
The Queen, Prince Charles, Camilla, Prince William and Kate all sat in a row together. <p>Photo: &copy; Getty Images
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