. >> people like gabe saporta of cobra starship, cassadee pope of hey monday, sean kingston, and jasonulo. >> i really encourage anyone to lend a hand when you can, because it's really, really important. when you are here and don't have time to think, "oh, i'm a sick kid." you're here and like "oh my god, it's jason derulo." and you're meeting new people, and it is really cool. >> also adding his voice to the cause, american idol kris allen. >> i want people to be aware of what is going on with cancer and just, you can help yourself, you can help others, and you can do stuff like raise money and i feel there is going to be a cure figured out that just takes money and time. >> the ultimate goal, is for generation y to turn out scientists who will find that cure. it's something these performers are waiting for, even while they dance. >> i relapsed again like a couple of weeks ago, so i'll be at roswell again. it's actually really good that i got to come do this before my surgeries and stuff. it's a good way to like, show it. it's not all, like, sad and, you know, upsetting. >> to watch t