last summer selena's besty taylor swift at her very own italian moment with tom hidel ston.carey gave us a preview of her first new song in two years on last night's season finale of her new docu-series. ♪ she says the song entitle kwch i don't" was inspired by her breakup with james packer. she is now dating her backup dancer brian tanaka. >> tanaka is a real person that i can relate to and be myself when i'm with him. he makes me happy. >> brian says that mariah is the girl of his dreams and plans on going after her with his whole heart. i do remember hearing that same kind of thing from nick cannon in the very beginning. >> where is the tape? i need it for his mouth. >>> still ahead, s.a.g. awards fashion secrets. >> i never had this happen before. >> the stories behind the styles and the one red carpet trend we didn't see coming. >>> plus, it's s.a.g. awards stars tell us how they got their first big break. >> i did an american accent. >>> then, we're back stage with '80s music legends and their stars superfans. >> i am like, why am i 15 right now? i'm just swooning up t