If only he 'd known I had LMFAO 's Sexy .
I Know It blasting in my ears at the time , he might have not looked so bewildered when I burst out laughing as he strode passed me .
If only he 'd known I had LMFAO 's Sexy and I Know It blasting in my ears at the time , he might have not looked so bewildered when I burst out laughing as he strode passed me .