Less than a year after reconnecting with old flame Liam Hemsworth, Miley Cyrus has called off the wedding they were planning.

After telling the 26-year-old actor that she needed a break, the Voice coach, 23, flew to Tennessee in early October to spend time with family and reflect on the past 10 months.

MORE: Keep Up to Date on All Life & Style Exclusives By Signing Up For Our Newsletter!

“Miley said she didn’t feel like their relationship was strong enough to continue with the [wedding] plans,” the insider says. “Liam was completely devastated and still is."

miley cyrus liam hemsworth splash

The Aussie couldn't hide his heartbreak while promoting his new film, The Dressmaker. "He won’t talk to anyone about it and doesn’t want to believe it’s real," the insider adds.

For more on Miley and Liam, pick up the latest issue of Life & Style, on newsstands now! And scroll through the gallery below to see the couple’s cutest photos together.