Chelsea became the first team to complete an undefeated 22-game campaign in the Women's Super League after beating Liverpool 1-0 at Stamford Bridge in the final round on Saturday.
Already crowned champion for a sixth straight year, Chelsea finished with 60 points - 12 more than second-place Arsenal - after 19 wins and three draws.
After a stoppage-time goal by Aggie Beever-Jones clinched victory over Liverpool, Chelsea captain Millie Bright lifted the trophy to a backdrop of fireworks.
Other teams have gone through a full top-flight campaign unbeaten in women's soccer but not since the league was expanded to 12 teams - with 22 games in the season - in 2019-20.
Sonia Bompastor, in her first season as Chelsea coach, said it was a "really great achievement" by her big-spending club .