Romelu Lukaku declared he was joining his "dream team" after Chelsea reached an agreement to sign the precocious striker from Anderlecht.
Lukaku, who is reportedly valued at between £15million and £20million, made no secret of the fact he was a Chelsea fan while he was being linked with Stamford Bridge.
And when asked on Twitter what his favourite thing about Chelsea was, Lukaku responded: "the fans The players.. Its just my dreamteam."
Lukaku, who is already a full Belgium international, faces a real fight to break into the Blues first team any time soon.
He warned earlier this week he would not want to be sent out on loan if he moved to Stamford Bridge, which suggests he would be prepared to fight for his place.
The forward believes he can only benefit from training and playing alongside the likes of Fernando Torres and Didier Drogba, to whom Lukaku has long been compared.
He wrote: "I think I am entering a team full of experienced guys and winners. And i'm very happy about that."
Lukaku is also aware he will arrive at a team under pressure to deliver silverware this season after finishing empty-handed last term.
Describing the Barclays Premier League as the "best league in the world", he added: "We have to improve ourselves year after year."
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