Match ends, Brighton and Hove Albion 0, Manchester City 5.
Raheem Sterling scored his third hat-trick of the season as Manchester City swept Brighton aside to ensure they will finish in second place in the Premier League.
City had lost their three previous away league games, including a defeat at Southampton last Sunday, but they never looked like suffering another slip-up on their return to the south coast.
Sterling, who now has 27 goals in all competitions for City this season, inflicted most of the damage on a Brighton side who never managed to make the game a contest.
The England forward put Pep Guardiola's side ahead with a superb low finish from outside the area, collecting a Gabriel Jesus flick and cutting in from the left before firing into the opposite corner of the net.
More chances followed for City, and Jesus had a shot deflected against the bar before he got on the end of Rodri's knockdown from a corner to make it 2-0.
The punishment did not end there for the Seagulls, as City continued to pour forward with Kevin de Bruyne pulling the strings, although a 19th league assist of the season eluded him
The Belgian fired a free-kick against the post after half-time and it was his driving forward run that led to Riyad Mahrez crossing for Sterling to head home City's third goal at the far post.
Moments later it was 4-0, when Mat Ryan spilled Bernardo Silva's shot and the Portuguese followed up to tap home.
Sterling, whose previous hat-tricks came against West Ham and Italian side Atalanta, had the final word in bizarre fashion when he chased a pass into the area and saw the ball bounce off the back of his head and cross the line as he was challenged by Ryan.
Brighton were completely outclassed and did not manage a single shot on target.
Sterling ensures City do not lack firepower
City knew before the weekend that they were sure of finishing in the top four, but they will not know if they will be in next season's Champions League until Monday, when they find out the result of their appeal against their two-year ban from Europe.
They are still in this year's competition, however, and their chances of negotiating a tricky looking route to next month's final are surely improved by Sterling's fine form in front of goal.
He already had four goals in six games since the Premier League restarted and his haul at Amex Stadium means he has now surpassed the 25 club goals he scored last season and has made this his most prolific personal campaign.
Jesus, too, was able to add to his tally despite some poor finishing early in the game, and he has now hit the 20-goal mark in all competitions.
Even without the injured Sergio Aguero, there is clearly no shortage of firepower in this City side, although far tougher assignments than this one lie ahead.
"I was pleased with everything tonight - the result and the levels we reached," Guardiola told Sky Sports afterwards. "We are now at a good level and are ready to play the last games of the Premier League and in the Champions League.
"We've forgotten the Southampton result as we played incredibly well there. Football sometimes is strange. We just didn't score there. We're a team who create a lot of chances and this time we converted them."
Brighton endure a difficult night
Brighton still need five more points from their remaining three games to be mathematically certain of safety, although their eight-point cushion over the bottom three currently appears healthy enough.
It was just as well their survival was not reliant on them getting anything here, as City tore into them and met little resistance.
The Seagulls went toe-to-toe with Liverpool in midweek and competed admirably with the new champions after conceding twice in the first 10 minutes, but this was a very different evening against the team the Reds have just deposed.
There were no early mistakes that cost Graham Potter's side this time, but they had to battle all game to keep out a relentless City side and enjoyed few opportunities at the other end.
"City were too good tonight," Potter said. "We were well beaten by the better team.
"First half, we were in it a bit and had a couple of opportunities but they have got players that can hurt you everywhere.
"We are disappointed with how we petered out in the second half but it's a big ask to play Liverpool and City in the space of four days."
Man of the match - Raheem Sterling (Manchester City)
What next? City warm up for Wembley
City warm up for next weekend's FA Cup semi-final against Arsenal at an empty Wembley with a home game against Bournemouth on Wednesday (18:00 BST kick-off).
Brighton make a short trip down the coast to play Southampton on Thursday (20:15).
Seagulls cannot end City losing streak - the stats
- Manchester City have won their last two Premier League games by 5+ goals, the first time this has happened in the Premier League since City themselves did so in three consecutive games in September 2017.
- Brighton suffered their worst home Premier League defeat since losing 5-0 to Bournemouth in April 2019.
- Since the 2015/16 season when he joined Manchester City, only Harry Kane (9) and Sergio Aguero (7) have scored more Premier League hat-tricks than Raheem Sterling (4).
- Gabriel Jesus has scored in 32 Premier League games for Man City - they have won 31 of those games and drew the other. City have now won their last 29 Premier League games when Jesus has scored.
- Brighton have lost all six of their Premier League matches against Man City, scoring just two goals and shipping 20.
- Raheem Sterling has scored 27 goals in all competitions for Manchester City this season - this is his best scoring season in his career.
- This was Graham Potter's heaviest ever home defeat as a manager and his joint-heaviest overall, also losing 5-0 in May 2016 as Ostersunds FK manager away at GIF Sundsvall in the Swedish Allsvenskan.
- Gabriel Jesus became the third City player to reach 20 goals in all competitions this season (also Sergio Aguero and Raheem Sterling), with City having the most players to have scored 20 goals for a team in Europe's top five leagues in all competitions in 2019-20.
- Riyad Mahrez has registered 13 assists in all competitions for City, with this his best tally of assists in a season in all competitions as a Premier League player.
- 17% of the goals conceded by Brighton in the Premier League this season have been against Manchester City (9/52).
- 22MontoyaSubstituted forLampteyat 59'minutes
- 24PröpperSubstituted forStephensat 59'minutes
- 8BissoumaBooked at 83mins
- 11TrossardSubstituted forJahanbakhshat 70'minutes
- 13GroßSubstituted forBurnat 78'minutes
- 44ConnollySubstituted forMaupayat 59'minutes
- 10Mac Allister
- 50GarcíaSubstituted forStonesat 72'minutes
- 22MendySubstituted forZinchenkoat 64'minutes
- 17De BruyneSubstituted forSilvaat 64'minutes
- 16RodriSubstituted forFernandinhoat 72'minutes
- 20Bernardo Silva
- 9Gabriel JesusSubstituted forFodenat 64'minutes
- Graham Scott
- Shots on Target
Second Half ends, Brighton and Hove Albion 0, Manchester City 5.
Raheem Sterling (Manchester City) wins a free kick on the left wing.
Foul by Adam Webster (Brighton and Hove Albion).
Aymeric Laporte (Manchester City) wins a free kick in the defensive half.
Foul by Tariq Lamptey (Brighton and Hove Albion).
Offside, Brighton and Hove Albion. Dale Stephens tries a through ball, but Bernardo is caught offside.
Corner, Manchester City. Conceded by Lewis Dunk.
Offside, Brighton and Hove Albion. Aaron Mooy tries a through ball, but Bernardo is caught offside.
Attempt missed. Riyad Mahrez (Manchester City) right footed shot from the right side of the box is close, but misses the top right corner. Assisted by Raheem Sterling.
Yves Bissouma (Brighton and Hove Albion) is shown the yellow card for a bad foul.
Fernandinho (Manchester City) wins a free kick in the defensive half.
Foul by Yves Bissouma (Brighton and Hove Albion).
Goal! Brighton and Hove Albion 0, Manchester City 5. Raheem Sterling (Manchester City) header from the left side of the six yard box to the bottom left corner.
Substitution, Brighton and Hove Albion. Dan Burn replaces Pascal Groß.
Attempt missed. Riyad Mahrez (Manchester City) left footed shot from the left side of the six yard box is close, but misses to the left. Assisted by David Silva with a through ball.
Substitution, Manchester City. Fernandinho replaces Rodrigo.
Substitution, Manchester City. John Stones replaces Eric García.
Attempt blocked. Riyad Mahrez (Manchester City) left footed shot from outside the box is blocked.
Substitution, Brighton and Hove Albion. Alireza Jahanbakhsh replaces Leandro Trossard.