Twitter: @machinegunkelly, @HaileeSteinfeld "At My Best" is the follow-up single by Machine Gun Kelly for his 3rd studio album, which is looking like we can expect its release within the next month. We still don't have a name for it, but MGK had his fans guessing the title on Twitter. Just like "Bad Things", we can see this one climbing the charts. It's already getting radio spins everywhere! Listen to the inspirational track above!