Prince William and Kate visit South Yorkshire: All the photos

They may have a glittering evening ahead of them toasting <a href="/tags/0/prince-charles/">Prince Charles</a>' 70th birthday at <a href="/tags/0/queen-elizabeth-ii/">the Queen</a>'s Buckingham Palace bash, but first <a href="/tags/0/prince-william-and-kate/">Prince William and Kate</a> stepped out for a few engagements in South Yorkshire on Wednesday (Nov. 14). Stealing glances and giggles at one another, the couple first opened the new McLaren Automotive Composites Technology Centre in Rotherham and got a firsthand look at how the internal shell of the sports cars is made. They then visited Barnsley's local Centrepoint hostel, which provides beds for homeless youth, a cause close to the parents-of-three's hearts. <p><strong>Click through to see the best photos from their busy day...</strong> <p>Photo: &copy; Getty Images
Duchess Kate was all smiles as the couple arrived at the McLaren centre, clad in a beautiful blue coatdress by Eponine London - a royal rewear that fans previously saw when she visited the Anna Freud centre in 2017. The royal anchored the look with her navy suede Rupert Sanderson Malory pumps. <p>Photo: &copy; Getty Images
Kate wore her lightened locks in a voluminous blowout and a natural face of makeup featuring her favourite taupe eyeshadow, rosy cheeks and a subtle pink lip. <p>Photo: &copy; Getty Images
In her ears, Kate wore the diamond and sapphire earrings from Princess Diana's collection that were a gift from her husband. The royal reportedly had the studs, as they were worn by her late mother-in-law, converted into dazzling drop earrings. <p>Photo: &copy; Getty Images
The duchess wore her Cartier Ballon Bleu watch and carried a smart clutch by Smythson. <p>Photo: &copy; Getty Images
The duchess, who recently added copper-toned highlights to her locks, looked beautiful on her day out with Prince William. <p>Photo: &copy; Getty Images
The McLaren sports car matched the fall foliage in the background! <p>Photo: &copy; Getty Images
Kate had a giggle as the couple ogled an orange sports car. <p>Photo: &copy; Getty Images
Prince William gave Kate the giggles. <p>Photo: &copy; Getty Images
The Cambridges took a tour of the new Composites Technology Centre as they officially opened the cutting-edge facility. They learned about how McLaren's STEM (science, technology, engineering, math) Ambassadors are working to get children more involved in science-based learning. <p>Photo: &copy; Getty Images
The couple got up close and personal with car parts while learning about McLaren Automotive's process for crafting lightweight carbon fibre shells for their cars. <p>Photo: &copy; Getty Images
Kate had some questions about the centre's manufacturing practices. <p>Photo: &copy; Getty Images
The couple got a sneak peek at the prototype manufacturing line and learned about how carbon fibre is cut. <p>Photo: &copy; Getty Images
The McLaren "tubs," or inner shells, are extremely lightweight, but another feature of the new facility is one the parents can really get behind - it's helping to create 200 new jobs for the community. <p>Photo: &copy; Getty Images
What's so funny? <p>Photo: &copy; Getty Images
Prince William and Kate chatted with residents and visitors at Centrepoint hostel in Barnsley, which helps to feed and shelter up to 60 homeless youth. Prince William has been a patron of the charity since 2005, following in the footsteps of former patron Princess Diana. <p>Photo: &copy; Getty Images 
Duchess Kate learned about the hostel's important work as she lent a hand in the kitchen. <p>Photo: &copy; Getty Images 
Duchess Kate helped to slice bread for lunch. <p>Photo: &copy; Getty Images 
The Cambridges sat down for lunch with residents to learn more about their experience with Centrepoint. <p>Photo: &copy; Getty Images 
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