Yes, that's Kim rapping "I feel like me and Taylor might still have sex. Why? I made that bitch famous" — the line that started this staged for publicity celebrity war.
Swift has been mum on the leaked phone call between her and West, aside from the statement she released initially, stating "Where is the video of Kanye telling me he was going to call me 'that bitch' in his song? It doesn't exist because it didn't happen."
She should probably stay away from Kardashian West's Snapchat.