D-1 until BTS's special performance on NBC's 'America's Got Talent', tomorrow night on September 12 at 5 PM PST/8 PM EST!

On September 11, 'America's Got Talent' kicked off semifinals week #2. The contestants who will move on to the grand finale next week will be announced on tomorrow's episode - which is where BTS will be coming in with a pre-recorded, special guest performance to congratulate the finalists!

To get you all ready, the show's host Tyra Banks met up with BTS backstage and learned a little bit of the "IDOL" dance. Judge Heidi Klum also shared a selca with BTS, expressing her excitement for #BTSonAGT. 

Check out the SNS buzz below while you stay on your toes for tomorrow's show!