We're crazy about mashups, and there's something about this latest one that is truly special. "Tell Me I'm the Only One (Carlos Serrano Mix)" combines Sam Smith's "I'm Not the Only One" with Kanye West [1]'s "Can't Tell Me Nothing," and they fit together remarkably well. In case listening to Smith's version of "Have Yourself a Merry Little Christmas" [2] has caused you to sit by the fire alone and sobbing, this is just the thing you need to at least mildly cheer you up. Listen below!