Miley Cyrus and Liam Hemsworth shocked many of their fans when they reunited last year and there was supposedly a wedding on the horizon. However, the "Voice" mentor and the actor have hit some bumps along the road throughout this reunion and now the buzz is that she's fully canceled their wedding plans amid concerns that they aren't strong enough as a couple to take that big step. What's the scoop?

Miley and Liam are reportedly struggling in their relationship.

According to Life & Style, Miley Cyrus told Liam Hemsworth that she needed a break earlier this month. After a difficult conversation with her fiance, she is said to have gone to Tennessee to spend some time with her family and reflect on her relationship.

Insiders claim that Miley was concerned that her relationship with Liam wasn't strong enough to move forward with getting married and that the actor is heartbroken over her decision.

Hollywood Life details that the two may technically still be together, but that she is rethinking everything regarding their relationship. The “Voice” coach is said to be questioning whether the couple's personalities mesh well enough to stay together, given how free-spirited she is and how much more low-key Hemsworth is, to the point where she allegedly finds him to be boring.

Cyrus and Hemsworth have faced relationship troubles before.

If indeed Miley and Liam come to determine that their personalities ultimately aren't a fit, it wouldn't be the first time that they faced a crossroads like this. The two had been engaged previously, but they later split amid rumors that her wild ways were too much for him.

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Hemsworth has supposedly pressured Cyrus to tone things down a bit and sources detail that this recently led to a big fight and her decision to shelve the engagement.

Can Miley Cyrus and Liam Hemsworth make this relationship work and eventually get married or are the two simply too different to be together? Fans will have to stay tuned to see whether Miley and Liam officially confirm a status change in their relationship and manage to stay together rather than fully split.