Chelsea came from behind at Aston Villa to move five points clear in fourth as two goals in as many second-half minutes earned them a 2-1 win.
Kortney Hause scored his first Premier League goal two minutes before the interval to give struggling Villa a half-time advantage.
However, substitute Christian Pulisic levelled for Frank Lampard's side before Olivier Giroud made it eight goals in his previous six games against Villa when grabbing the winner.
It was Chelsea's first away win in the Premier League in 2020, the victory providing Lampard with cause for celebration on his 100th match as a manager.