this is tyler oakley. >> that is tyler oakley. >> yes, he colors his hair different color s s and he has two new exciting for his things. not one, but two. okay. >> all right. gl and you know who else is here? grammy winning a capella group pentatonix, and we made them what they are today. you remember the latest video where hoda made the big debut. watch this. that's it [ laughter ] >> well, go to the timer. one, two, and not even -- >> not even a second. >> 1.8. >> and tell them how long you spent on that. >> pentatonix, first of all, secondly, i think that we have the video and this is how long i spent in my dressing room rehearsing. >> she learned the whole song. >> oh, no. >> she learned it that day that she got it. thought up her own choreography and sang her heart out, and you didn't even use her singing. >> oh, i haven't seen that. but whoever asked you didn't tell you it would be a second. >> and by the way, kath didn't do it. >> and now i know why. it all makes sense. >> and we love you. >> and they are going to be singing for us. >> we love you. >> all right. thank you so