Chelsea's playing squad gained the approval of manager Jose Mourinho before partaking in a team bonding outing on Wednesday night.
After starting the night with a team dinner involving the entire first team squad, Diego Costa, Ramires and Kenedy were among the Chelsea players seen leaving London nightspot Libertine in the early hours of Thursday morning.
Every player arrived at Chelsea's Cobham training ground on time on Thursday morning.
The struggling Blues stake on Bournemouth at Stamford Bridge on Saturday.