engaging and fun, so he can inspire the next generation to give. it's a big reason why he's enlisted his celebrity friends, like will ferrell who's raising money for cancer survivors. >> can you win a bottle of his suntan lotion. >> and it's quite a picture. >> very sexy. don't ever think hairy can't be sexy. >> reporter: celebrities using their voice to help others. big stars, big giving. alina cho, cnn, new york. >> you can watch alina's one-hour special debuts tomorrow, christmas eve, 7:00 p.m. eastern and again christmas day at 5:00 p.m. and 8:00 p.m. eastern. a lot more stories we're covering tonight, randi kaye joins us with the bulletin. now that the repeal of don't ask don't tell is law, robert gates is saying not so fast. gates sent a memo to u.s. troops warning them that don't ask