. >> crispen stuart and ann anna kendrick have been accused of. but is there a cure?ou know what rbs is? >> no. i don't even know what that is. i don't think i can do itment my soul is too bright. >> it happens to the best of us. that unsmiling moment when your neutral face looks hostile, judgmental. >> it looks like your face is resting. >> it's not just stars who suffer.there are royal rbs, pol lbs and even c.e.o.rbs. >> i apparently really suffer from really severe rbf. >> what does that mean? >> amy schubert aw an opportunity to secure the pop culture syndrome. >> no, again. no, again e again. s >> and tyra, who famously taught her top model contestants how to spy gave the difference between smiezing. >> on thether hand, rbf can earn free credit for rappers. o is there a cure for rbf? >> it's time to get bow tox. >> do you have a more positive attitude? >> oh, god, they don't think i'm happy? they get it now. >> i love victoria beckum and i think she killed it. >> yeah, she don't play no games.>> kanye west had it. ♪ >> what do you think? >> that's pretty good. be