Club-record signing Alyssa Thompson opened her Chelsea account in a 4-0 thrashing of Paris FC as Sonia Bompastor's side claimed their first Champions League win of the season.
Thompson, signed from NWSL's Angel City for around £1m on Deadline Day, was one of the bright sparks for Chelsea as they responded to a disappointing draw at FC Twente in their opener with a dominant performance at Stamford Bridge.
The 20-year-old USA international set up Chelsea's second with a cross for Johanna Rytting Kaneryd's looping header and scored the third at the back post to get off the mark for her new club and in the Champions League.
Sandy Baltimore had opened the scoring from the penalty spot after half an hour thanks to the intervention of VAR which recommended an on-field review after Sjoeke Nuske