Thanks for joining us today for live text commentary. You can now click here to read my match report.
Just a bit of house-keeping to finish off with. Stuart Armstrong was booked for over-celebrating that goal while Villa midfielder Jack Grealish was also shown a yellow card, for dissent.
That's it, all over. Southampton are 10 points clear of the bottom three.
Saints break, with Pepe Reina out of goal, and Stuart Armstrong charges onto Che Adams' long ball to slide the ball into an empty net and seal victory for the hosts.
Chance for Villa as Jack Grealish wins a corner, keeper Pepe Reina goes up for it, but Alex McCarthy punches it clear.
Southampton can kill a bit more time as Stuart Armstrong sends a shot high into the stand.
Southampton can kill a bit of time as Che Adams' shot deflected for a corner.
Four minutes to be added. Villa aren't pressing though.
Trezeguet takes on Jack Stephens to hit a low ball across the Southampton goal but no-one is there to add the finishing touch.
Che Adams pounces on a loose ball inside the Villa box and takes it round Pepe Reina but Kortney Hause gets back to deny Adams his first Saints goal with a goal-line block.
Second change for Villa now as Marvelous Nakamba comes off for Borja Baston.
Debutant Will Smallbone makes way for fellow midfielder Oriel Romeu. The 20-year-old can be pleased with his day's work.
Substitute Che Adams makes room for a shot from just outside the box but fires it across goal and wide.
- SMS Message: I am dreading next week's Carabao cup final against Man City 6-1 in the league - it could be 8. Villa's defence is abysmal to say the least. from Steve in Bewdley
James Ward-Prowse takes the free-kick from the right wing, level with the edge of the box, but it's cleared for a throw-in.
And there's the double change from Southampton as Michael Obafemi and fellow striker Che Adams come on for top scorer Danny Ings and today's goalscorer Shane Long.
Shane Long chases a long ball and Pepe Reina comes out of his box to clear but he doesn't make proper contact with his header and brings down Long as he tries to recover.
That's a booking for the former Liverpool keeper.
Ryan Bertrand tries his luck from distance and it takes a slight deflection on its way through to Villa keeper Pepe Reina, who makes a comfortable save.
The hosts are preparing to make a double substitution.
Mbwana Samatta has a shot blocked for a Villa corner, which is easily dealt with by the hosts.
Matt Targett concedes a free-kick for a foul on James Ward-Prowse. Referee Craig Pawson tells Southampton to hurry up a bit as they dally over taking the free-kick.