Lemina's first-half header split the two sides at Rams Park in what was a thrilling encounter that saw a combined four big chances, 30 shots and two disallowed goals
Ouattara's dinked effort was comfortably gathered by Areola, as Konstantinos Mavropanos rifled home the winning spot-kick as the Hammers stayed perfect in the shoot-out
City and Liverpool will meet for the first time in the competition since the 2021-22 semi-finals, a game Liverpool won at Wembley Stadium 3-2, thanks to Sadio Mane's brace
Wrexham had pushed Chelsea all the way and twice led, but George Dobson's 93rd minute red card proved costly, as the Blues eventually got themselves over the line
Having seen Real Madrid close the gap following their dramatic win over Celta Vigo a day earlier, Hansi Flick's side responded to stay clear of their Clasico rivals
Having already eliminated Newcastle in the semi-finals of the EFL Cup last month, City piled more misery on Eddie Howe's side after coming from a goal behind on Saturday
Madrid went close to opening the scoring in the first 10 minutes, as a fantastic through pass from Trent Alexander-Arnold set Vinicius Junior free, but the Brazilian struck the post with his effort at goal
Scotland captain Robertson rifled in a low shot from outside the penalty box 10 minutes into the second half to put Liverpool ahead and then Salah crashed home his enticing cross two minutes later
Monaco stunned PSG again in the 55th minute when Golovin found the bottom-right corner from 18 yards, and he nearly made it 3-0 with an arrowed effort towards the top-right corner that Matvei Safonov did brilliantly to tip wide
Luis Diaz opened the scoring before assisting Konrad Laimer in the first half, while Jamal Musiala and Nicolas Jackson completed the rout to see Vincent Kompany's side go 14 points clear at the Bundesliga summit
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