Some haphazard Chelsea defending opened the door for the opportunistic Palace to seize a 2-1 lead.
Chelsea are on their way to winning the premier league title, as they're ahead of second placed Tottenham by seven points. We try just to put that on the pitch.
"The work that we did was unbelievable". Our resilience and some of the saves from the keeper were reason why we won'.
Eric Dier and substitute Heung-min Son scored second-half goals for Tottenham, which earned a fourth straight league win.
"I think our performance is typical of what seems to be the character of the side".
"You have more confidence in yourself, of what you're doing". I'm a happy man.
The Belgium global told the Palace website after the Chelsea match: "We can be proud of ourselves".
"It's a sweet three points to come to the champions, or who I think are going to be champions, and win", Crystal Palace manager Sam Allardyce said.
Chelsea's goal, scored by Cesc Fabregas in the fifth minute, was the only one they have conceded in that four-game run. We deserved at least to draw.
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"It is another game, I don't know if it is the flawless team for us".
Both teams could face Football Association action after pyrotechnics were set off during the match.
From the moment the Belgium striker netted, the game became an attacking masterclass from the Blues - who dominated the ball in the final third, ending with 24 shots to Palace's eight.
Three arrests were made in connection to the pyrotechnics, while further individuals were barred from entry to the ground for possession of pyrotechnics.
Chelsea must now prepare for the test of welcoming Pep Guardiola's men to Stamford Bridge on Wednesday night as they look to get their title bid back on track.
Chelsea manager Antonio Conte has hailed the impact of injured Super Eagles forward Victor Moses in the club's title aspirations.
Conte told Chelsea TV: "Anything can happen, above all in England".
Coming into the game, Chelsea had a ten point lead at the top of the table and had won their last ten home league games.