Chelsea star Eden Hazard was delighted with the win over Arsenal
Marcos Alonso opened the scoring from close range when he headed in the rebound after Diego Costa's effort hit the crossbar.
The Blues doubled their lead through a fantastic strike from Eden Hazard before Cesc Fabregas put the game beyond his former club when he lobbed past Petr Cech after a poor clearance.
Olivier Giroud scored a late consolation for Arsenal but Hazard was delighted with the victory.
Chelsea star Eden Hazard scored a fine second goal for Antonio Conte's side
"It is always good to score beautiful goals, against a massive team," Hazard said.
"I enjoyed the game and the goals. We scored three beautiful goals and we deserve to win this game."
When asked what he was thinking when collecting the ball for his goal, Hazard added: "To dribble like I did.
Conte celebrates with Chelsea fans after Hazard scores sensational goal against Arsenal
Sat, February 4, 2017
Antonio Conte was very pleased with Eden Hazard's goal against Arsenal!
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"It is not like this in every game. I know I need to score more and today I did. I am happy.
"We created a lot of chances but in the counter attack we can get better.
"We are still top of league. We have good confidence and we want to finish the season and stay top."