The keto diet is hot, hot, hot right now. Does the ketogenic diet work? Celebrities like model Adriana Lima and rock star Mick Jagger have been known to flirt with ketogenic diets. However, that doesn’t necessarily mean that you have to miss out on every dine-out. For first-timers, this can be very tricky because you’re still trying to figure out what’s best for your body and what’s not.