19. LMFAO - 'Sexy And I Know It'
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Capital's Top 20 Most Watched Music Videos
2. 19. LMFAO - 'Sexy And I Know It'
LMFAO followed up the massive worldwide smash 'Party Rock Anthem' with an equally dance worthy hit in 'Sexy And I Know It', which sees the duo showing off their moves, and body parts, on a sunny beach.