Doku, who cost £55.5 million to transfer from Rennes to the Premier League winners during the summer transfer window, scored his first goal for his new team on Saturday.
The 21-year-old countered James Ward-Prowse’s first goal against West Ham United with a flash of brilliance following an outstanding first half.
The Belgian winger was found by Julian Alvarez, who then sprinted against Vladimr Coufal before switching to his right foot and scoring an incredible goal.
Doku celebrated by doing the “griddy” pose after scoring a goal.