While Liam has since moved on with Aussie model Gabriella Brooks, he told Men's Health that in the midst of his divorce from Miley, he found it difficult to cope with the constant media attention.
"This last six months, honestly, for keeping my head level and just staying balanced, I’d say exercise has been big for me,” said the star, who is currently training for his new flick, Most Dangerous Game.
When asked if he's in a "rebuilding" phase of his life, he said, "yeah, that's a good way to put it."
His subtle reference to the 'We Can't Stop' singer comes two weeks after an insider revealed Gabriella has made Liam realise he's never felt better, safe or more comfortable in a relationship.
"He feels more at home with Gabriella than he did with Miley [Cyrus]," a source told US Weekly. "He feels like he can be his complete self without any drama."
The insider continued: "Gabriella helped Liam boost his confidence and played an encouraging role in his life after his split with Miley. They are very happy together and it's comfortable and easy."
But what does Miley think of his new romance?
"Miley is not asking their mutual friends about Liam’s new relationship. She doesn’t want to make anyone uncomfortable. She is not checking in on Liam" a source close to the pop sensation turned Black Mirror actress told Hollywood life.
"When they first broke up, a lot of their closest friends were in disbelief and thought they’d get back together. They were always fighting and breaking up and making up and everyone thought they’d get past this, but it got too deep.
"Liam just realised he wanted a different kind of wife, one who was more traditional and reserved, and his family really helped him take the step in divorce. He’s happier, but he does miss Miley. The divorce really divided some of their close friends."
Thankfully, Miley has also moved on from all the drama and recently celebrated her six month anniversary with Cody Simpson while in isolation!