LMFAO, the American duo of Redfoo and Sky Blu, released Sexy and I Know It in September 2011 as a single from their album Sorry for Party Rocking. The track topped the Billboard Hot 100 and became a global party anthem, helped by its humorous music video built around confident posing and dance routines. Online, the hook was quickly reused in parody entrances, lip-sync clips and edit memes, where its exaggerated swagger works as an instant punchline. It remains popular because the chorus is recognisable within seconds.