FT: St Helens 18-8 Leeds
St Helens retain the trophy after beating York City Knights in last year's final
Try from player of the match Zoe Hornby put Leeds in front
Two second-half tries from Eboni Partington either side of Jodie Cunningham's score won it for Saints
Final precedes both men's semi-finals: Wigan v St Helens and Huddersfield v Hull KR
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St Helens 14-8 Leeds
Andrea Dobson
Former England captain on BBC Two
Leeds were just starting to recover and dominate. They are starting to look a little bit lethargic now.
You don't know if the first half really took it out of them.
St Helens 14-8 Leeds
Kyle Amor
Ireland and St Helens prop on BBC Two
She's been quiet for most of this game. But the Woman of Steel steps up.
If anyone was going to step up it was going to be her.
Jodie Cunningham, goal Beth Stott
Cometh the hour, cometh the Woman of Steel!
St Helens instantly make Leeds pay for that missed penalty as they sweep down the field.
Jodie Cunningham gets the ball about 10 yards out and powers her way through three defenders before touching down.
Beth Stott lands her first kick of the game and Saints lead for the first time.
St Helens 8-8 Leeds
A missed opportunity for Leeds as Courtney Winfield-Hill, who landed both of her earlier attempts, this time scuffs her kick across the front of the posts. Let off for Saints.
St Helens 8-8 Leeds
What a run from Fran Goldthorp! She skips past around six Saints defenders and is only denied a stunning try by some last-ditch defending. She weaved this way and that.
Even then play goes back to a penalty for Leeds and they will go for goal...
St Helens 8-8 Leeds
Decent field position now for Leeds as Beth Stott dives out of the line to try to intercept a pass and can only knock-on. Can the Rhinos make the most of this set starting inside the St Helens half?
St Helens 8-8 Leeds
Andrea Dobson
Former England captain on BBC Two
Amy Hardcastle has done some big carries. She's second in this match for carries and she's done some hard yards.
Leeds will look to be going down the side now that Hardcastle's struggling a bit.
St Helens 8-8 Leeds
Just over 20 minutes left and there's nothing between these sides. Who do you think is going to win?
Thumbs up for Saints, thumbs down for Leeds.
St Helens 8-8 Leeds
Saints are building a head of steam and putting increasing pressure on the Leeds line.
Another high kick on the last tackle forces another goal-line drop-out as Fran Goldthorp catches brilliantly but is forced to stay in-goal.
This Leeds defence is being tested!
St Helens 8-8 Leeds
Lizzie: St Helens are clearly missing Danielle Bush their number 2. Give her a mention. Tanya Arnold she will be gutted she's not playing.
Revolutionary Rugby League: Brilliant Challenge Cup final this between Leeds and Saints so far!
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St Helens 8-8 Leeds
News from touchline, with St Helens' Carrie Roberts ruled out of the rest of this game with an Achilles and calf injury.
St Helens 8-8 Leeds
For the first time in this game you sense that St Helens are on top, with Emily Rudge and Jodie Cunningham wrestling control.
Saints force Leeds into a goal-line drop out but then mess up to hand Leeds possession.
Eboni Partington
Image source, Rex FeaturesThey can! It's unconventional but St Helens won't care.
Tasha Gaines can't gather a bouncing grubber kick to the corner under pressure, the ball goes loose and Eboni Partington picks it up and dives over the line.
Beth Stott misses her conversion attempt again so we're all square.
St Helens 4-8 Leeds
A barreling run from Amy Hardcastle gets St Helens on the front foot before Leah Burke takes them into Leeds territory. Can they make the most of this momentum?
St Helens 4-8 Leeds
The sides trade sets before Georgia Roche sticks in a kick that turns the Saints defence around.
Eboni Partington gathers and is brought down a yard from her own line, only for Leeds to let Saints off the hook by immediately conceding a penalty.
St Helens 4-8 Leeds
Kyle Amor
Ireland and St Helens prop on BBC Two
That is inches away.
It's Carrie Roberts who gets the defensive read all wrong and leaves a huge hole for Elychia Watson.
St Helens 4-8 Leeds
Early pressure from Leeds. Elychia Watson goes through a gap but is brought down just short of the line.
She tries to reach to put the ball over and is rightly penalised for a double movement. Saints breath again.
The look on Watson's face says it all.
St Helens 4-8 Leeds
Beth Stott of St Helens gets us back under way.
HT: St Helens 4-8 Leeds
The players are on their way back out. The second half is moments away.
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If you love your rugby league then we have a real treat for you this afternoon.
Remember, this is only the start of a triple header, with both men's semi-finals coming up.
Wigan take on current holders St Helens at 14:30 BST, which will be live on BBC One.
Then at 17:00 BST, Huddersfield Giants and Hull KR meet, live on BBC Two.
Jay Freeman will be guiding you through both of those with live text commentary.