Editorial

Kate Middleton Wows In Mint Green Dress At Royal Party For Prince Charles

(Photo credit: DOMINIC LIPINSKI/AFP/Getty Images)

Katie Jerkovich Entertainment Reporter

Kate Middleton was definitely the bell of the ball Tuesday when she stepped out in a beautiful mint green dress for a royal celebration for Prince Charles.

Britain's Catherine, Duchess of Cambridge is seen at a reception to mark the fiftieth anniversary of the investiture of the Prince of Wales at Buckingham Palace in London, Britain March 5, 2019. Dominic Lipinski/Pool via REUTERS

Britain’s Catherine, Duchess of Cambridge is seen at a reception to mark the fiftieth anniversary of the investiture of the Prince of Wales at Buckingham Palace in London, Britain March 5, 2019. Dominic Lipinski/Pool via REUTERS

Britain's Catherine, Duchess of Cambridge speaks with guests at a reception to mark the fiftieth anniversary of the investiture of the Prince of Wales at Buckingham Palace in London, Britain March 5, 2019. Dominic Lipinski/Pool via REUTERS

Britain’s Catherine, Duchess of Cambridge speaks with guests at a reception to mark the fiftieth anniversary of the investiture of the Prince of Wales at Buckingham Palace in London, Britain March 5, 2019. Dominic Lipinski/Pool via REUTERS

The Duchess of Cambridge looked just as striking as ever in the long-sleeve button-up, high-collared number that went down past her knees. She was there celebrating the 50th anniversary of the investiture of the Prince of Wales at a reception held at Buckingham Palace in London.  (RELATED: Report: Meghan Markle And Kate Middleton’s Alleged Feud Really Between Prince Harry And Prince William)

Catherine, Duchess of Cambridge attends a reception to mark the fiftieth anniversary of the investiture of the Prince of Wales at Buckingham Palace on March 5, 2019 in London, England. (Photo by Dominic Lipinski - WPA Pool/Getty Images)

Catherine, Duchess of Cambridge attends a reception to mark the fiftieth anniversary of the investiture of the Prince of Wales at Buckingham Palace on March 5, 2019 in London, England. (Photo by Dominic Lipinski – WPA Pool/Getty Images)

Catherine, Duchess of Cambridge attends a reception to mark the fiftieth anniversary of the investiture of the Prince of Wales at Buckingham Palace on March 5, 2019 in London, England. (Photo by Dominic Lipinski - WPA Pool/Getty Images)

Catherine, Duchess of Cambridge attends a reception to mark the fiftieth anniversary of the investiture of the Prince of Wales at Buckingham Palace on March 5, 2019 in London, England. (Photo by Dominic Lipinski – WPA Pool/Getty Images)

She completed the great look with loose hair, off-white high heels and a matching clutch.

Middleton always looks fantastic no matter what the occasion. Check out some of those unforgettable looks here.

Catherine, Duchess of Cambridge, Camilla, Duchess of Cornwall, Prince William, Duke of Cambridge, Prince Harry, Duke of Sussex, Queen Elizabeth II and Prince Charles, Prince of Wales attend a reception to mark the fiftieth anniversary of the investiture of the Prince of Wales at Buckingham Palace on March 5, 2019 in London, England. (Photo by Dominic Lipinski - WPA Pool/Getty Images)

Catherine, Duchess of Cambridge, Camilla, Duchess of Cornwall, Prince William, Duke of Cambridge, Prince Harry, Duke of Sussex, Queen Elizabeth II and Prince Charles, Prince of Wales attend a reception to mark the fiftieth anniversary of the investiture of the Prince of Wales at Buckingham Palace on March 5, 2019 in London, England. (Photo by Dominic Lipinski – WPA Pool/Getty Images)

Also spotted at the gathering was expectant royal parents Meghan Markle and Prince Harry. The Duchess of Sussex showed up in a pretty metallic gold dress.

Britain's Prince Charles, Prince of Wales (C) walks with his mother Britain's Queen Elizabeth II (2L), and his wife Britain's Camilla, Duchess of Cornwall (3L), and his sons and their wives, Britain's Prince William, Duke of Cambridge (4L) and Britain's Catherine, Duchess of Cambridge (L), and Britain's Prince Harry, Duke of Sussex, (2R) and Meghan, Duchess of Sussex (R) during a reception to mark the 50th Anniversary of the investiture of The Prince of Wales at Buckingham Palace in London on March 5, 2019. - The Queen hosted a reception to mark the Fiftieth Anniversary of the investiture of Britain's Prince Charles, her son, as the Prince of Wales. Prince Charles was created The Prince of Wales aged 9 on July 26th 1958 and was formally invested with the title by Her Majesty The Queen on July 1st 1969 at Caernarfon Castle. (Photo credit: DOMINIC LIPINSKI/AFP/Getty Images)

Britain’s Prince William, Duke of Cambridge (4L) and Britain’s Catherine, Duchess of Cambridge (L), and Britain’s Prince Harry, Duke of Sussex, (2R) and Meghan, Duchess of Sussex (R) during a reception to mark the 50th Anniversary of the investiture of The Prince of Wales at Buckingham Palace in London on March 5, 2019.  (Photo credit: DOMINIC LIPINSKI/AFP/Getty Images)

It was the first time the former “Suits” actress and Middleton attended an event together since Christmas amid numerous reports the newlyweds and the Duke and Duchess of Sussex are not getting along.

Britain's Catherine, Duchess of Cambridge, attends a reception to mark the 50th Anniversary of the investiture of The Prince of Wales at Buckingham Palace in London on March 5, 2019. - The Queen hosted a reception to mark the Fiftieth Anniversary of the investiture of Britain's Prince Charles, her son, as the Prince of Wales. Prince Charles was created The Prince of Wales aged 9 on July 26th 1958 and was formally invested with the title by Her Majesty The Queen on July 1st 1969 at Caernarfon Castle. (Photo credit: DOMINIC LIPINSKI/AFP/Getty Images)

Britain’s Catherine, Duchess of Cambridge, attends a reception to mark the 50th Anniversary of the investiture of The Prince of Wales at Buckingham Palace in London on March 5, 2019. (Photo credit: DOMINIC LIPINSKI/AFP/Getty Images)