Detailed text transcripts for TV channel - KGO - 20150113:10:49:00
Has turned upside down. all about that bass" is one of the best-selling singles ever. the video has a half billion hits on you tube. >> all of my fans out there that tell me stories they hated themselves and they weren't happy until they heard the song and now they live a happier life because all of a three-minute song. it's actually helped me. while singing this, doing the dance moves, feeling sassy. i walk off that stage like i'm a boss. i'm meghan trainor. i look bomb and everyone supports this right now. >> reporter: meghan trainor, who just turned 21 a few weeks ago, has improbably become...