That change from Albion has certainly seen a little tweak as they chase the game now. Ellie Brazil has joined the front three and they're pressing Arsenal's defence a lot more, rather than just camping in their own half and then looking to counter.

It would be a monumental upset if Brighton got back into this match though.

A change for Brighton at half-time - Ellie Brazil has replaced Emily Simpkins.

The second-half is under way at the Amex and if Arsenal close out this win, they'll be crowned WSL champions.

Elsewhere this afternoon, Barcelona have reached the Women's Champions League final for the first time.

Congratulations to England forward Toni Duggan, who is a regular part of the Barca side.

They'll face either Chelsea or Lyon in the final in Hungary's capital, Budapest, on 18 May.

From 14:00 this afternoon, Chelsea will host holders Lyon in the second leg of their Women's Champions League semi-final.

The Londoners are trailing 2-1 from last Sunday's first leg in France.

You can watch that game live on the BBC later or online here.

Image source, BBC Sport

Players from Arsenal, Man City and Chelsea dominated this season's PFA WSL Team of the Year, which was revealed this week.

You can read more here.

Image source, Rex Features

Vivianne Miedema's stunning opener - a strike from the edge of the box that went in off the underside of the bar - and then Katie McCabe's calm finish after a beautiful floated through-ball from Miedema has put Arsenal on the verge of clinching the WSL title.

If it stays like this, they'll be champions for the first time since 2012.

Albion have a dangerous free-kick of their own and it's completely wasted.

Captain Danielle Buet puts way too much on it and Sari van Veenendaal easily claims it.

Luckily, Arsenal's dominance means that's the first time I have had to type that.

Vivianne Miedema's legs just aren't quite long enough to make it 3-0. The Arsenal striker reaches out after Dominique Bloodworth floats a free-kick over everyone and only Miedema is alert to it, but it's JUST too deep.

Brighton's Victoria Wiliams was booked for kicking the ball away before that free-kick was taken, by the way.

Brighton have responded well to going 2-0 down. They throw more bodies forward straight away and only some last-ditch stuff from Katrine Veje stops a ball over the top reaching any number of Albion players waiting in the box.

But moments later, Arsenal work it down the right and Danielle van de Donk curls a great strike first time from the edge of the area - an excellent diving save from Brighton keeper Marie Hourihan sends it behind for a corner.

From the set-piece Victoria Williams clears off the line! A frantic few minutes.

Hope Powell's side have definitely taken the sting out of Arsenal here, part of that's been denying them as much space. Kayleigh Green overdoes it though and makes a late foul on the halfway line - the Brighton midfielder goes in the referee's notebook as a consequence.

"Curse of the text commentator" is that a thing? Well whatever, but since I wrote that I thought Arsenal could be heading towards a hefty win, Brighton do seem to have got to grips with them a bit better.

Precious little for Albion in terms of attacks though so it's pretty tough going.

Arsenal remember are WSL champions if they close out victory here.

Beth Mead is getting some real joy down the channels for Arsenal, and the England striker again gets in behind - this time on the right.

She pulls the ball back but Brighton manage to scramble the ball clear with Vivianne Miedema lurking to try and score her 32nd goal of the season.

Danielle van de Donk needs a mention by the way. The Dutch midfielder's popping up all over the pitch, dictating the game at the moment.

Image source, Reuters

I am going to put myself out there and say unless something miraculous happens, this could end up being a drubbing. Arsenal look several classes above Albion here.

Not many chances to speak of, but Joe Montemurro's team are passing the ball around superbly and Brighton can't lay a hand on them.

Almost a fortuitous goal for Arsenal as the ball seems to be running out for a goal-kick, but Lisa Evans won't give it up and her cross slices slightly, goes over the keeper's head and deflects away off the bar.

That, would've been that.

Samantha Miller
QPR player on BBC Radio 5 live sports extra

Beth Mead didn't quite connect with the ball properly there, but you can already see the threat that she and Vivianne Miedema can pose going forward.

Lovely start from Arsenal, patient build-up sent Vivianne Miedema down the left channel who nicely pulled the ball back for England striker Beth Mead on the edge of the box but she slices well wide.

Ominous passing football there though.

Image source, PA

The first ever women's game at the Amex Stadium in Brighton is under way!

Will it become historic for another reason too? Arsenal are 90 minutes and one win from the WSL title.