England international Bellingham scored a superb goal before providing an assist for his teammate in their 2-1 Champions League win over Besiktas.
The 18-year-old continues to impress on the big stage and his stock is rising constantly.
And to show the strong bond that is developing between the two, Haaland received a peck on the cheek as he was giving a post match interview.
Inevitably, the Norway international was then asked about the former Birmingham city player.
Haaland said: "He's amazing, he's 18, he's three years younger than me, it's crazy, what can I say, he's amazing."
Despite missing a sitter earlier on in the match, the Norwegian forward netted a tap in from Bellingham's cross in what was his 66th goal in as many games.
It was a thorougly deserved goal for Dortmund who saw the match out as 2-1 winners against Besiktas in Turkey.
It could be a testing summer for the German side in next summer's transfer window who are set to lose Haaland when his £68 million release clause comes into effect.
Bellingham meanwhile is the subject of a reported £85m fee that his club have set in a bid to put off prospective buyers Manchester City, Chelsea and Liverpool.
One way or another though it is just a matter of time before these two incredible youngsters are playing for another club in Europe.