Princess Kate gives Wimbledon champion Roger Federer a lengthy standing ovation at the All England Club

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Legendary tennis champion Roger Federer made an appearance at Wimbledon Tuesday. Shortly after the eight-time Wimbledon winner entered the Royal Box at Centre Court, the crowd gave him a standing ovation.

Princess Kate Middleton was one of the notable spectators who stood and applauded the tennis star. Federer was being celebrated for his impressive career and his men’s record eight singles championships at Wimbledon.

The 20-time Grand Slam winner wore a cream-colored suit with his All England Club member’s pin attached to a lapel. Federer stood with his wife, Mirka, above one of the baselines in the tournament’s main stadium.

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Britain's Kate, Princess of Wales, left, stands in the royal box with tennis champion Roger Federer and his wife Mirka on day two of the Wimbledon tennis championships in London Tuesday, July 4, 2023.  (Adam Davy/PA via AP)

Federer waved, repeatedly saying, "Thank you," as the applause and roars cascaded under the closed retractable roof on a rainy second day at the grass court event he once dominated.

Before the start of play at Centre Court, an announcer explained that Federer was being honored for "his contributions to tennis — and, particularly, to these very special lawns."

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After multiple knee operations last year, Federer decided to retire from the sport.

The ceremony Tuesday included a video highlight reel that showed clips of Federer playing, winning and speaking at Wimbledon, where he won the first of his 20 career Grand Slam titles in 2003. That was