After making 9-160, the Sixers bowled the Stars out for 115 at Melbourne's Junction Oval.
The batting depth of the visitors was a highlight of genuine team performance.
Sixers allrounder Ashleigh Gardner turned in a classy performance with bat and ball.Â
Her 28 off 17 deliveries gave the Sixers early momentum before chipping in with 4-27 with her crafty spinners
Opener Alyssa Healy (31) top-scored before Erin Burns (25), Nicole Bolton (23) and Sophie Ecclestone (22) all played aggressive cameos for the Sixers.
Stars opening bowler Kim Garth (2-9 off three overs) was hard to get away for the Sixers.
In reply, the Stars had a shocking start with Lauren Winfield-Hill (0) falling victim in the opening over to Ellyse Perry.
Allrounders Ecclestone (1-19 off four) and Bolton (1-17 off four) kept it tight with their spinners.
Suzie Bates had a great day in the field for the Sixers, taking four catches.
Garth (18) also top-scored with the bat for the Stars but no-one got going.
The Stars are now six points outside of the top four and all but out of finals contention.
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