It’s after their 2-1 victory over Palmeiras at the Mohammed Bin Zayed Stadium in Abu Dhabi.
A 117th-minute penalty in Abu Dhabi by Kai Havertz means the Blues have now won every possible trophy under the ownership of the Russian billionaire
Romelu Lukaku opened the scoring with a header in the second half before Raphael Veiga levelled from the spot.
Palmeiras defender Luan was sent off in added time as the Blues sealed victory.
The silver medals were awarded to the Palmeiras team after it won second place, while Egypt’s Al-Ahly took bronze after its 4-0 victory over Al-Hilal of Saudi Arabia that was held at Al Nahyan Stadium on Saturday.
Sheikh Rashid bin Humaid Al Nuaimi, Chairman of the Board of Directors of the Emirates Football Association, and His Excellency Dr. Sultan bin Ahmed Al Jaber, Minister of Industry and Advanced Technology, Vice Chairman of the Board of Directors of Al Jazira Club, Chairman of the Executive Committee, and Gianni Infantino, President of the International Football Association were attending.
While, Chelsea manager Thomas Tuchel dedicated his side's first Club World Cup triumph to owner Roman Abramovich.
New Zealand overcame a blitz from centurion Harry Brook to beat England by four wickets on Sunday in the opening game of their three-match one-day international series, with Daryl Mitchell and Michael Bracewell scoring half-centuries.
Belinda Bencic breezed past Czech sixth seed Linda Noskova 6-2 6-3 to win the Pan Pacific Open title on Sunday, erasing bitter memories of her straight-sets defeat by Agnieszka Radwanska in the title clash of the same tournament 10 years ago.
Liverpool manager Arne Slot said opponents have identified a winning strategy against his Premier League champions and he needs to find a solution fast after a 3-2 defeat at Brentford on Saturday made it four league losses in a row.
Rohit Sharma hit a century and Virat Kohli a bright 74 to drive India to a nine-wicket win in the third one-day international on Saturday, sending fans home happy after what are likely to be their final appearances in Australia in their country's colours.