Two sublime goals from Sam Kerr ensured won their third consecutive title on a dramatic final day of the Women’s Super League.
Emma Hayes’ side led by a point ahead of their final fixture against at Kingsmeadow and were given an early scare as Martha Thomas gave the visitors an early lead.
Erin Cuthbert quickly pulled Chelsea level but Ella Toone struck to put United 2-1 ahead by half time.
Chelsea started the second half with much more purpose and Kerr quickly pulled the hosts level with an excellent volley on the edge of United’s area.
Guro Reiten then capped a fine move in the 51st minute to give Chelsea the lead for the first time in the game.
But Kerr capped another fine season with a stunning goal as she caught out United goalkeeper Mary Earps with a brilliant turn and volley from 25 yards out.
Chelsea fans were also given the chance to bid farewell to Drew Spence, who was brought on as a late substitute and will be leaving the club this summer after making 239 appearances.
Arsenal, meanwhile, were forced to settle for the runners-up spot in the WSL as second-half goals from Stina Blackstenius and Stephanie Catley sealed a 2-0 win over West Ham.
Chelsea now have the chance to make it a league and cup double this season as they face Manchester City in the FA Cup final next Sunday.
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