Jennings holds the record for longest 'Jeopardy!' winning streak.
The royals stepped out for the somber occasion on Sunday in Central London.
The game show host was battling stage four pancreatic cancer.
The 'Jeopardy' host went public with his cancer diagnosis in March 2019.
The outspoken comic once again led the first episode following a contentious presidential election.
The President-elect pledged to heal the divided nation after his win.
The couple took to the West Hollywood streets to celebrate Biden and Kamala Harris' projected win.
The Vice President-elect said she 'will not be the last' woman to be elected as VP as she makes history.
The CNN journalist was in tears as he spoke about what Biden's win meant for him and many Americans.
The former royal served in the military for 10 years.
The singer was sued by her father-in-law's company in September.
On Friday, the couple announced that they were separating after 14 years of marriage.
The actress showed off her burgeoning baby bump to announce the exciting news.
The former president and first lady penned heartfelt messages for Biden and Harris.
