The Duke and Duchess of Sussex were notably absent from the ceremony.
On Saturday, the monarch was joined on the balcony of Buckingham Palace by his family during his birthday celebration.
Prince William and Kate Middleton's 5-year-old son made his return to the public eye on Saturday.
The two have been married since 2006 and share five children together.
See the adorable way Kourtney broke the news.
The family was together to celebrate Harper and Finley Lockwood's middle school graduation.
A source tells ET, Sami Sheen and mom Denise Richards are 'closer than ever' as the 19-year-old continues her job as a sex worker.
'Barbie' star Margot Robbie takes fans inside Barbie's Dream House for 'Architectural Digest.'
The family starred on 'Kimora: Life in the Fab Lane' from 2007 to 2011.
Kimora Lee Simmons and daughters Ming and Aoki react to a possible reality TV return! The Baby Phat family opens up exclusively to ET.
Kim Kardashian treats her daughter, North West, to a Dior shopping spree to celebrate her 10th birthday.
Chrissy Teigen calls out a social media doctor for an Instagram post that criticized her appearance.
The relationship update comes several months after Denise said her relationship with her daughter was 'strained.'
Kelly Ripa and Mark Consuelos take apart vow renewals on 'Live With Kelly and Mark,' calling them a 'kiss of death' for marriages.
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