Prince William and Kate Middleton made their first official coronation appearance Thursday.

The Prince and Princess of Wales took the Tube – London's public transportation system – for a visit to the Dog & Duck Pub. The pub is roughly a mile away from Buckingham Palace.

"Jumping on the Elizabeth Line to Soho!" a photo of the royal couple was captioned on social media.

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William and Kate are preparing for Saturday's coronation of King Charles III.

Middleton wore a red coat over a white dress paired with white heels for the occasion while William kept it casual in a suit with a blue collared shirt.

The prince explained he had "just had a bit of cider" as he is focused on the coronation this weekend, according to People magazine. "I will drink after the coronation but not now."

Prince William has a speaking role in the ceremony. He is the only member of the royal family who will honor King Charles with a spoken vow.

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According to the liturgy of the service, about halfway through the historic ceremony, William will kneel before his father, place his hands between his and recite: "I, William, Prince of Wales, pledge my loyalty to you and faith and truth I will bear unto you, as your liege man of life and limb. So help me God."

Prince William and Middleton spoke to a crowd of people while visiting the pub.

"We have a lot of visitors," William noted, according to the outlet. "We are getting people from all over the world. Fantastic."

He also touched on reports of heavy rain for coronation weekend saying, "Crossing fingers for the weather!"

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King Charles' coronation will take place at Westminster Abbey on May 6. Prince William and Middleton will both be in attendance. Prince Harry will also attend the coronation, but without his wife Meghan Markle.

"Buckingham Palace is pleased to confirm that The Duke of Sussex will attend the Coronation Service at Westminster Abbey on May 6th," Buckingham Palace previously shared. "The Duchess of Sussex will remain in California with Prince Archie and Princess Lilibet."

Prince Archie will celebrate his fourth birthday the same day as King Charles' ceremony.

"It's going to be a low-key party at home," a source told People magazine. "They'll have friends around them and Meghan's mom, Doria [Ragland]. Meghan will definitely have support that weekend."

Fox News Digital's Janelle Ash contributed to this report.

Illinois lawmakers greenlighted a bill Wednesday that says libraries in the state must adopt an anti-book banning policy to receive state funding, in a vote that fissured along party lines.

The measure, spearheaded by Secretary of State Alexi Giannoulias, represents a counter-movement to growing efforts to restrict books on topics such as race, gender and sexuality in schools and libraries across the United States.

The legislation has passed both chambers and now heads to the desk of Gov. J.B. Pritzker, who said he looks forward to signing it.

"This landmark legislation is a triumph for our democracy, a win for First Amendment rights, and most importantly, a great victory for future generations to come," said Giannoulias in a news conference Wednesday after HB 2789 cleared the Senate in a party-line vote.

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In order to be eligible for state funding, the bill requires libraries to adopt the American Library Association's Library Bill of Rights, which holds that "materials should not be excluded because of the origin, background, or views of those contributing to their creation," and "should not be proscribed or removed because of partisan or doctrinal disapproval."

Libraries may also develop an alternative policy prohibiting the practice of banning to receive the funds.

Chicago-area Sen. Laura Murphy, a Democrat and one of the bill's sponsors, celebrated its passage.

"Our nation’s libraries have been under attack for too long — they are bastions of knowledge and proliferate the spread of ideas," said Murphy in a news release. "Librarians are trained professionals, and we need to trust that they will stock our libraries with appropriate materials — they were hired for their expertise, and they deserve our respect."

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All 19 Republicans in the Illinois Senate voted against the measure, including Republican Sen. Jason Plummer, who represents Edwardsville, a city northeast of St. Louis.

Plummer said the bill is an effort by Illinois Democrats "to force their extreme ideology on communities across this state" and would wrest control from local libraries.

"The members of locally elected library boards, who work to increase literacy in their communities, don’t need a book-ban agenda foisted on them by Chicago politicians who are just trying to get cheap publicity," Plummer said in a news release.

"It’s offensive to the ideals of good government to threaten to take public funding away from the very communities that generated that funding through their taxes," he said.

Giannoulias, a Democrat, said he is "blown away that this has become a partisan issue."

Attempted book bans and restrictions at school and public libraries hit a record-high in 2022, according to a March report from the American Library Association.

Giannoulias, who in January was sworn in as the first new secretary of state in a quarter-century, teamed up with Naperville Democratic Rep. Anne Stava-Murray after parents in the Chicago suburb of Downers Grove complained to the high school board about "Gender Queer: A Memoir" by Maia Kobabe last summer.