Crystal Palace have completed the signing of centre-back Marc Guehi from Chelsea on a five-year contract.
The 21-year-old has spent the last season and a half on loan with Championship side Swansea, helping them reach the play-offs twice, though on both occasions fell short to Brentford.
"I’m very excited. It’s a great opportunity for me to come to such a big club in the Premier League. I’m really excited to get going," Guehi told Palace's website.
“[The club is taking] a really exciting direction with the new gaffer that’s come in. A lot of good young players are here and obviously such a stable club with top players really enticed me and made me want to come.”
Palace chairman Steve Parish added: “We’re delighted to have signed Marc for Crystal Palace. He’s an exciting talent and one we believe will be a valuable addition to the squad as we build towards the coming season.”
Guehi was famously part of the England Under-17 side that won the World Cup in 2017, scoring in a 5-2 victory over Spain in the final. He went on to win a remarkable quadruple with Chelsea's academy side the following year.
The defender becomes Palace's third senior signing of the summer, after the club completed moves for Reading playmaker Michael Olise and Sunderland goalkeeper Remi Matthews.
Palace have also recently appointed Patrick Vieira as their manager after Roy Hodgson stepped down following nearly four years in charge at Selhurst Park.
Guehi leaves Chelsea having only made two senior appearances for the club - both coming in the League Cup - and joins fellow academy graduate Fikayo Tomori out of the Stamford Bridge exit this summer. The Blues wished Guehi the best for the future in a club statement.