EPA • REUTERS The 31-year-old was back on form after he quit the sport following the London 2012 Games, re-emerging on top as part of Team USA, who clinched the win in the 4x100 metres freestyle relay.
Standing at the front of the spectators stand, surrounded by adoring fans, Nicole, also 31, could barely contain her glee as Michael added to his reign as the most decorated Olympian of all time.
We've been through a lot.
But I love her to death.
We've been able to grow as a couple through everything we've been through, the positive changes I've made in my life," he added.