Miley Cyrus and Liam Hemsworth are reportedly tying the knot in Byron Bay. The couple is very interested in buying a massive a $4.5 million mansion in the coastal town.

According to OK!Magazine, a source revealed that Miley and Liam are planning to get married in Byron Bay. Buying the mansion together will be their first step big together towards future.

But the "Wrecking Ball" hitmaker is extremely secretive about her wedding plans. "They're getting married on the beach," the source said, "Miley's usually really open, but this is one thing she's being secretive about. She doesn't want any of the details getting out."

"She's sworn her family to secrecy. They've all made a pact not to say anything," added the source.

Miley and Liam have also shared their share of fights, which led to several break up rumors. Their on-again-off-again relationship also added fuel to these gossips.

 Radar Online reported that according to an insider, the "Hunger Games" actor thinks that if they split up, it's only fair if he gets half of Miley's fortune, at least the half she will make during their marriage. Needless, Miley's lawyers are refused to even acknowledge this plea.

The "Wrecking Ball" hitmaker has even admitted in The Ellen DeGeneres show that the engagement ring her beau Liam Hemswoth gave her does not go with her aesthetics. And Miley Cyrus often replaces it with her gummy bear and unicorn ring.

It was hinted previously that Liam's big brother Chris Hemsworth is was concerned about the future of the couple. The "Thor" actor was worried that Miley "is dropping all these hints that she's not marriage material, but [Liam]'s not catching on at all." And this will ultimately result in Liam's heart breaking.

But as per The Daily Telegraph, now Chris is encouraging the couple to buy this Byron Bay property, because its right next to his own house. A source told the site that the mansion is in a beautiful area and has its own private beach and road.

It seems like big brother has finally came in terms of Miley and Liam's relationship and maybe even impending wedding.