The former Disney star has remained close to her estranged husband and they are frequently seen out and about together with – and without – their son Luca, two.
Hilary told Health that staying on good terms was important to both parties and they're currently trying to figure out the future.
"We really didn't see it going any other way. We have a two-year-old together. We love each other. Obviously it wasn't a rash decision that we made," she said.
"We really are just trying to figure out how we are the most happy—whether together or apart—and we're doing it as lovingly as possible.
"We would hang out without Luca; we think it's important to keep a strong relationship no matter if we're married or not married. And we love our son. We both want to fight for happiness."
Hilary and Mike married in Santa Barbara, California in 2010. They'd met via mutual friends three years previously.
But in January this year, the couple announced their separation.
"They remain best friends and will continue to be in each other's lives. They are dedicated to loving and parenting their amazing son and ask for privacy at this time."
Hilary hinted earlier this year that a reunion could be on the cards by telling an Australian radio station: "We're uncoupled for now... If there wasn't a chance of getting back [together], we would have filed for divorce..."
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