"She’s having difficulty accepting that he’s happy with Maddison," a friend shared.
"Miley’s trying to act like she doesn’t care, but she’s secretly fuming."
It gets worse. This same pal dished that Miley is "questioning whether she made a mistake letting Liam go."
The friend told L&S that she's been messaging her ex-Hemsworth hunk.
She texted him "and says she misses him, but he’s just not interested."
The singer seems to be stuck on the fact that Liam has moved on with the Aussie Dynasty starlet.
"She’s trying to come up with excuses to explain why Liam’s with Maddison."
"It’s just a revenge romance or that Liam purposefully went for a younger version of her since they were both blonde actresses."
The Hunger Games star isn't fussed with Miley's scrutiny.
Liam is said to be "totally over her and in a really great place with Maddison."
This isn't the first time Miley has lashed out.
Multiple insiders have confirmed the pop sensation is still doing everything she can to make him jealous and get under his skin.
“She was drunk dialling him for a while, so now she’s resorted to social media to get his attention,” a source told Radar Online, adding Miley is desperately trying to move she's moved on, however, is still struggling to cope with the breakdown of their marriage.