PSG complete Luiz deal
Paris Saint-Germain have announced the signing of Brazil defender David Luiz from Chelsea.
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The 27-year-old will join the French champions following the World Cup, where he played in Thursday night's opener against Croatia in Sao Paulo.
A statement on the French club's website, www.psg.fr, read: "Paris Saint-Germain are pleased to announce that for a period of five years Brazilian international David Luiz has moved from Chelsea FC.
"He will join the group after the World Cup."
Luiz signed for Chelsea from Benfica in January 2011 and after taking time to settle, the Brazilian went on to become a mainstay in the Blues defence, helping them win the 2012 Champions League and then the Europa League the following season.
He made 143 Blues appearances - 34 of them last season, including against PSG in the Champions League quarter-finals - scoring 12 goals.
However, Luiz had been linked with a move away from Stamford Bridge after falling behind Gary Cahill and John Terry in the pecking order at centre-half last term.
Chelsea boss Jose Mourinho often preferred to use the 27-year-old just in front of the defenders in midfield, but with Nemanja Matic rejoining the squad in January, Luiz's days appeared numbered.
It was announced last month that Chelsea and PSG had come to an agreement regarding a fee, with Press Association Sport understanding Luiz would move for £50million, a world record for a defender.
The confirmation of the deal on Friday means Luiz, who was also a reported target for Barcelona and Bayern Munich, is likely to a form a centre-half partnership with international team-mate Thiago Silva.
Mourinho has already looked to strengthen his squad this summer.
On Thursday, the Barclays Premier League club completed the £30million signing of former Arsenal midfielder Cesc Fabregas from Barcelona, with his Spain team-mate Diego Costa expected to follow from Atletico Madrid to bolster the Chelsea attack.