PSY’s “Gangnam Style” also tops the 4 million mark in digital sales. It’s the third comic/novelty song to reach this mark, following LMFAO’s “Sexy And I Know It” (5,975,000) and Cee-Lo’s aforementioned “F**k You!” (5,958,000). “Gangnam Style” logged seven weeks at #2 last fall. It was stuck behind Maroon 5’s “One More Night,” which, while a huge seller, has yet to reach 4 million. (It’s up to 3,749,000.)