Leah Williamson returned from her anterior cruciate ligament injury and made an immediate impression as Arsenal thrashed Reading - assisting Beth Mead.

Here are the results from the 19:00 GMT kick-offs:

• Leicester City 5-1 Everton
• Reading 0-6 Arsenal
• London City 2-1 Crystal Palace
• Charlton 1-2 Brighton
• Birmingham City 2-1 West Ham
• Blackburn Rovers 3-0 Sheffield United
• Manchester City 2-1 Manchester United

Aston Villa kicked off later and are currently beating Sunderland 5-0.

Emma Hayes has opted to have Fran Kirby playing up front after bringing on Lauren James, with James sitting behind her.

Gilly Flaherty
Former Chelsea and England defender on BBC Radio 5 Sports Extra

Chelsea just need a goal.

I think once they get that first things will open up and they will score more. But at the moment it is all about getting that first goal.

Gilly Flaherty
Former Chelsea and England defender on BBC Radio 5 Sports Extra

I don't think Emma Hayes was too happy going in at half time.

Chelsea want to win this, they don't want qualification hanging over them next week, so it is no surprise that she has brought on Lauren James. We all know what she can do, she is a real threat.

Lauren James looks to make something immediately as she plays the ball towards Johanna Rytting Kaneryd on the edge of the box.

She tries to play a one-two but strays offside.

Emma Sanders
BBC Sport at Stamford Bridge

Obviously, there's big cheers for Lauren James' introduction.

Can Chelsea find the breakthrough in the second half?

There's are changes for both sides at the break, with Athenea replacing Linda Caicedo for Real Madrid, while Lauren James is on for Mia Fishel.

James gets the second half started.

Even if Chelsea don't win tonight, they can still win the group and qualify for the quarter-finals.

They play Paris FC next week in their final group stage game.

Ellen White
Former England striker on BBC Women's Football Weekly podcast

Image source, Getty Images

Lauren James, what a talent she is. Her technique, the way she holds the ball up, the way she moves, the way she has that free role and fluidity in that Chelsea team is amazing.

Some of the technique she used to score those goals I was sat there thinking, ‘Oh I wish I could have done that! Would have been nice.’

[In the second half on Sunday] she went into where Mia Fishel was playing, in that number nine role. I think it probably takes a little bit away from her individually, but I think her playing as the nine really distracts the back line because they are always worried about where she is.

It changed things a bit for her, she was having to hold the ball up a little bit more, she had to almost take a step back a bit, but it was all for the team. And her finish for the third goal was pretty sublime.

Image source, Getty Images

Just how good is Lauren James?

She scored three against Manchester United in the Women's Super League on Sunday, bringing her total number of goals in the league to 10 for the season.

It wasn't the first time she's bagged a hat-trick in the league this year either - she did so in Chelsea's 5-1 win over Liverpool in November, which also took place at Stamford Bridge.

Chelsea are without star striker Sam Kerr, who is the Champions League's joint-top scorer with five goals, after she suffered an anterior cruciate ligament injury during their training camp over the winter break.

That makes it the perfect times for James - who is yet to score in the competition - to step up to the task in Europe.

She hasn't started tonight, but could she come on in the second half and make an impact from the bench?

• READ MORE: Hat-trick silenced 'anyone who is hating' - James

Gilly Flaherty
Former Chelsea and England defender on BBC Radio 5 Sports Extra

Both teams have had their moments. Chelsea have dominated in regards to chances but they have just not been clinical.

They have taken too many touches, they have not acted quickly enough at times, they have been a bit sloppy in the final third.

Caicedo was Real Madrid's live wire, although she has been a little quieter since coming back on after that injury concern.

Out of the two teams I think Real Madrid will be a lot happier with that.

Emma Sanders
BBC Sport at Stamford Bridge

Plenty of conversations going on between players as they head down the tunnel.

Canadian duo Kadeisha Buchanan and Ashley Lawrence looked frustration at the back of the pack, while Hannah Hampton was getting instructions from the goalkeeping coach.

Chelsea found plenty of space in the first 25 minutes but have struggled more as the half went on. Real Madrid have grown into it.

Do Chelsea need to make a change at the break? Will they find a way through? Was Emma Hayes right to bench Lauren James?

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It's all square at the break.

Image source, Getty Images

Linda Caicedo was down for quite a while, so Emma Hayes is probably right to feel annoyed that there's only been one minute added.

Emma Sanders
BBC Sport at Stamford Bridge

Emma Hayes can't believe it's only one minute added on as she shakes her head at the fourth official in front of us.

She will be frustrated because Chelsea have created chances and not been clinical.

One minute added on at the end of the first half.

That was a big chance for Niamh Charles.

She heads Erin Cuthbert's corner towards goal and Real Madrid goalkeeper Mylene Chavas completely messes up her positioning, but it's cleared by a defender.

Image source, Reuters

Fran Kirby feeds Guro Reiten - as she has done many times in this game - but she can't immediately do anything with it.

Instead, she sends in a cross that's sent behind for a corner.

That's happened quite a few times already.

Erin Cuthbert drills an effort from the edge of the box, but Mylene Chavas easily stops it.