Article continues below advertisementElton John is showing the world he's still full of joy, even after going through some health issues. The music icon, 78, looked relaxed while spending time with friends and family in an Instagram post.Article continues below advertisementIn one shot, John was all smiles in a colorful, patterned shirt and pink-tinted sunglasses while out on the water with a young companion. Another photo caught him lounging on a yacht, leaning comfortably on a close friend.Another pic showed him cozying up with husband David Furnish on deck.