The Firebirds trailed by three points at half-time but outscored the Fever 32-23 in the second half to hand the home team their first Perth loss of 2018.
A 61-goal haul from scoring sensation Jhaniele Fowler has powered the West Coast Fever to a 74-68 Super Netball victory over the NSW Swifts.
"I wish it did (mean something) but not at all,"coach Stacey Marinkovich said.
The seventh-placed Magpies were desperate to turn their season around with a much-needed win but the Fever showed why they're considered one of the title favourites.
West Coast Fever showed why they lead the Super Netball competition with a comprehensive win over Collingwood.
Five teams seem to be competing for two spots in the final four.
The challenge was ahead of Fever on how they would respond to their first loss of the season last week.
Giants goal keeper Sam Poolman is preparing for the toughest defensive duty in Super Netball.
Giants have a chance to top the Super Netball ladder when they take on once runaway competition leaders West Coast Fever on Saturday.
The Queensland Firebirds have burst the West Coast Fever's Super Netball bubble with a dominant 71-61 victory.
The Swifts are more focused on fixing their own game this weekend,rather than West Coast's superstar shooter Jhaniele Fowler.