The soundtrack hasn't loosened its grip on the top spot since January, and has seen off competition from the likes of Craig David and Camila Cabello.
It has sold 465,000 copies - more than 40% of which have been on CD and vinyl, the Official Charts Company said.
The success comes despite lukewarm reviews for the movie itself.
The Telegraph declared it "completely and utterly bibbly bibbly quack-quack insane", while the Evening Standard called it "a load of big top baloney".
