Katy Perry, Lionel Richie and more guests arrive in style at King Charles III’s coronation

Familiar faces showed up to attend the ceremony celebrating King Charles III.

As the coronation for King Charles III began to take place on May 6 at Westminster Abbey in London, a slew of celebrities, world leaders and dignitaries were spotted arriving.

Performers Katy Perry and Lionel Richie, who are performing in Sunday's coronation concert, were in attendance, as well as actress Emma Thompson.

Also in attendance are first lady Dr. Jill Biden, who arrived with her granddaughter, Finnegan Biden, to represent the United States, as well as Canadian Prime Minister Justin Trudeau and Ukrainian first lady Olena Zelenska.

See their arrivals and more below.

Katy Perry

Katy Perry was among the familiar faces who arrived at the ceremony in style wearing a head-turning light purple fascinator with matching dress and gloves. The chic look which included a knee-length midi skirt and short sleeve fitted waist blazer also was accessorized with a lilac flower, pearl necklace and a white handbag.

The singer is set to perform at the coronation concert on Sunday, May 7, alongside Lionel Richie, who also appeared at the historical event on Saturday.

Lionel Richie

First Lady Jill Biden and her granddaughter

Queen Rania of Jordan and Queen Letizia of Spain

Queen Rania of Jordan and Queen Letizia of Spain also made their appearances donning stunning outfits to celebrate the long-lasting tradition.

Canadian Prime Minister Justin Trudeau

The celebration of the coronation is expected to last the whole weekend, highlighted by the coronation service at the Abbey on Saturday.

ABC News' Meredith Longo and Moe Zoyari contributed to this report.