Siobhan Chamberlain
Ex-England and Man Utd goalkeeper on BBC One

Lauren James may miss once or twice but she won't miss a third time with such a good opportunity in front of goal.

One touchp play down the left hand side, inch perfect delivery from Niam Charles and a great finish in the middle from James.

Game on!

Lauren James rises highest to meet a cross inside the United box and it requires a big save from Mary Earps, who springs across and pushes James' effort behind for a corner.

Another good chance for Mayra Ramirez.

Johanna Rytting Kaneryd curls a cross towards the Chelsea striker but she sends her header over the crossbar.

It looked like there was a slight push on Ramirez from Maya Le Tissier but she stayed on her feet.

That was a great piece of work from Mayra Ramirez after returning to the pitch.

She dribbles down the byeline but nobody is in the right space for her to release the ball.

Five minutes are added on at the end of the first half.

Image source, Getty Images

Mayra Ramirez is back on to her feet after a lengthy check after that collision with Maya Le Tissier and looks fit to continue.

Barcelona manager Jonatan Giraldez is at Leigh Sports Village this afternoon - his side play Chelsea in the Champions League semi-finals next weekend.

Chelsea have got a busy run-in and host Aston Villa on Wednesday before Saturday's trip to Spain.

Mayra Ramirez runs towards the United defence and collides with Maya Le Tissier's shoulder. It's not easy to see if that was intentional or not.

Ramirez is down and receiving some treatment.

What happened there?

Ella Toone sends a miscued delivery into the Chelsea box, but Eve Perisset heads it back as if it's going to go out for a corner.

Thankfully for Chelsea, Hannah Hampton scrambles across to stop the ball before it goes out.

Both of United's goals came from headers - and their second was scored by former Chelsea striker Rachel Williams.

You can watch her goal below.

Siobhan Chamberlain
Ex-England and Man Utd goalkeeper on BBC One

Chelsea just need that little bit of magic, that touch, that moment that is going to create a clear opportunity.

At the moment when they get in and around the box it is very tight and congested, a lot of red shirts in there.

Image source, PA Media

It's still not quite working for Lauren James but that's better.

She produces a neat bit of footwork to carry the ball past Lisa Naalsund but then lacks the final product and hits the side netting.

Chelsea continue to toil but they're being crowded out in the United box.

Johanna Rytting Kaneryd heads a cross back into the middle but it's cleared by Millie Turner before Mayra Ramirez can get to it.

Will Chelsea manage to find a way to turn this game around? Or will United reach the final and ensure the FA Cup has a new winner?

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Siobhan Chamberlain
Ex-England and Man Utd goalkeeper on BBC One

You can see from the Chelsea body language that they are frustrated and lacking ideas.

Normally everything is so fluid and smooth but they are so disjointed today, lacking that rhythm.

This performance is something we are not used to seeing from Chelsea.

Image source, Getty Images

Guro Reiten seizes a sloppy United pass in the hosts' third and plays it forward towards Mayra Ramirez, but the United defenders are quick to close her down.

Chelsea haven't been able to break the hosts down.

Michael Emons
BBC Sport at Leigh Sports Village

Superb skill from Ella Toone, with a dragback to avoid a sliding Melanie Leupolz close to the left touchline and then an excellent cross, with Rachel Williams powerfully heading in number two.

Toone became the first female player to score 50 goals for Manchester United last month and may have helped her side take a massive step closer to Wembley.

All credit to Marc Skinner, he made two changes from the last match, the 4-1 win over Everton and brought in Leah Galton, who made the opener, and Williams. Both have merited their inclusions, and in style.

There is a huge roar every time United cross the halfway line. The fans see Chelsea are there for the taking. How will the reigning WSL and FA Cup holders respond?

United aren't slowing down.

Katie Zelem spots Rachel Williams in space on the edge of the 18-yard box, but Williams is unable to direct her curling effort on target.

There had been a lot of talk about Chelsea being in the running for a quadruple.

They lost the League Cup final in their last game and now they've got a lot of work to do to keep their treble hopes in tact.

Can Emma Hayes find a way to get her side back in to this game?