Two video teasers were released on August 1, 2011, in which the first teaser gained a million views on YouTube a day after its release and 2,500,000 views by the second day.
Dua teaser video yang dirilis pada tanggal 1 Agustus 2011, di mana teaser pertama mendapat satu juta tampilan di YouTube sehari setelah rilis dan 2.500.000 tampilan pada hari kedua.