Prince Harry, Prince William and King Charles III have once again reunited, this time during the funeral procession for the late Queen Elizabeth II on Wednesday.

Prince Harry, Prince William, Kate Middleton, Meghan Markle

The "Fab Four" reunited once again on Wednesday during the funeral procession for Queen Elizabeth II. (Getty Images)

The royal trio were photographed walking behind Queen Elizabeth II's coffin during the funeral procession to the Palace of Westminster.

Prince William, Prince Harry at Queen Elizabeth's funeral services

QUEEN ELIZABETH II'S COFFIN TO LEAVE BUCKINGHAM PALACE BEFORE LYING IN STATE AT WESTMINSTER HALL

Prince Harry was notably not in his military uniform for the event.

Prince William, Prince Harry at Queen Elizabeth's funeral, Princess Diana's funeral

Harry and William walked a somber path nearly 25 years ago, during the funeral procession for their late mother, Princess Diana. (Getty Images)

Harry and William walked a somber path nearly 25 years ago, during the funeral procession for their late mother, Princess Diana. Prince Harry was photographed in an emotional moment as he paid his respects to his grandmother, Queen Elizabeth II.

Harry, who stood next to his wife Meghan Markle, covered his eyes with his hand during a moment of reflection. Markle held her gaze down somberly.

Prince Harry solemn next to Meghan Markle at Queen Elizabeth II's funeral services

Prince Harry is seen emotional on Wednesday at the funeral procession, accompanied by his wife, Meghan Markle. (Getty Images)

CLICK HERE TO SIGN UP FOR THE ENTERTAINMENT NEWSLETTER

Kate Middleton in the car procession next to Queen Consort Camilla

Kate Middleton is seen in the car heading to Westminster Hall. (Getty Images)

Meanwhile, the Queen Consort Camilla, Kate Middleton and Meghan Markle also left Buckingham Palace for Westminster Hall. Markle and Middleton were seen in two separate cars.

The queen's coffin will lie in state for four days at Westminster Hall until the state funeral on Monday.

Meghan Markle heading to Westminster Hall

Meghan Markle on her way to Westminster Hall. (Getty Images)

Prince Harry, Prince William, King Charles III

Prince Harry and Prince William walked behind Queen Elizabeth II's coffin during her funeral procession. (Getty Images)

Prince William, Prince Harry, King Charles III, other royals at Princess Diana's funeral services

Prince Harry and Prince William are seen in 1997 walking in the procession for the funeral of their late mother Princess Diana. (Getty Images)

King Charles III, along with the royal family, returned to Buckingham Palace after the transfer of Queen Elizabeth II's coffin to Westminster Hall.

The royal reunion of the "Fab Four" — Harry, William, Middleton and Markle — follows their reunion on Saturday to honor the fallen monarch in Windsor, England.

CLICK HERE TO GET THE FOX NEWS APP