Cole Palmer shone as Chelsea came from behind to beat Brighton 4-2 on a record setting day for the Blues attacker.
Georginio Rutter had opened the scoring for Brighton inside 10 minutes but Palmer pegged the Seagulls back in 21st minute with his first of what would be four goals.
Palmer than gave his side the lead from the penalty spot, before wrapping up his hat trick with a stunning free kick.
Carlos Baleba pounced on a Robert Sanchez mistake to put Brighton back in the tie, but a fourth from Cole Palmer in the first-half was enough to see Chelsea over the line.