 The first single from <unk> is " El Amor " , released on 23 August 2011 . In the United States it reached number one on the Billboard Top Latin Songs chart ( <unk> 's fourth number one on that chart , following " <unk> " , " <unk> " and " El <unk> " ) and number one on the Billboard Latin Pop Songs chart . It was also a hit in Latin America , reaching number one in Argentina , Mexico , Colombia , Venezuela , Chile , Costa Rica , Panama and Guatemala . The music video for " El Amor " , filmed in black @-@ and @-@ white , was released on 8 September 2011 . It was directed by Ricardo Calderón ( who also directed <unk> 's music video for " <unk> <unk> " ) and filmed in Mexico City . The second single from the album is " <unk> Tú " , a duet with <unk> singer <unk> <unk> . The music video for the song was shot in Guatemala ( around the tropical areas of Antigua Guatemala , <unk> Dulce , the <unk> lake , <unk> <unk> and the <unk> ruins ) and directed by Argentine director Joaquín <unk> . <unk> commented that " this video <unk> the battle on the couple when someone starts to talk ' is the beginning of the end ' " . " <unk> Tú " reached number two on the Billboard Top Latin Songs and number one on the Latin Pop Songs charts . 
