Lenny Kravitz continues to be an absolute rockstar! The “Fly Away” singer, 59, took to his social media platforms on Tuesday, April 9, to share a video of himself working out in a pair of leather pants, causing the internet to absolutely lose its mind. “Thank God for today! Grateful. Never been better. There are no shortcuts so seize your day. It is all possible. Love!” Kravitz penned alongside the clip of himself doing crunches with a large dumbbell. “He can do whatever he wants, he’s literally the coolest person on the planet,” one Instagram user penned below a video of the fitness moment. “…