Liam Hemsworth Cheated on Miley Cyrus with January Jones? [PHOTOS]

Apparently, there is trouble in paradise for engaged couple, Liam Hemsworth and Miley Cyrus. Despite Miley Cyrus' insistent tweets saying she and Liam are happy and content, a few sources claim otherwise. In fact, the "Hunger Games" hunk was spotted hanging out with a gorgeous blonde who obviously isn't Miley Cyrus.

Having fallen in love on the set of "The Last Song", their on-off and on again relationship lasted for three to four years. Some claimed the relationship wouldn't last too long. Yet, Miley Cyrus and Liam Hemsworth had gotten engaged back in 2012 of which shocked family, friends and fans. Now, it looks as if the engagement wasn't a pretty good idea after all given both stars are too young for marriage.

At the pre-Oscar party, Liam Hemsworth was spotted with "Mad Men" star, January Jones. Both stars showed up at the soiree held at Chateau Marmont. Star magazine reports that the "Hunger Games" hunk was getting hot and heavy with Jones much to the surprise of guests present at the event.

"It looked like they had some hot chemistry," claimed an eyewitness to Star magazine, adding, "They were all over each other - and they even kissed!"

On the other hand, Miley Cyrus was all alone at the Elton John AIDS Foundation bash last Sunday night. Wearing a back-baring white fitted gown, Miley was said to be "all over the place" and had even shared a kissy-face photo with BFF, Kelly Osborne and Elton John.

Judging from both stars' behaviour, something is definitely up for Miley and Liam. Having hung out with different people at separate events clearly point out that their relationship is on the rocks. Fans of the "Milesworth" duo are hoping this would just be a phase for the two.

Hopefully, the Miley Cyrus and Liam Hemsworth wedding does push through this year. A wedding was supposed to take place last summer 2012 however Miley and Liam's separate careers had gotten in the way. Here is to hoping January Jones of "Mad Men" doesn't get in the way of the wedding or the "Milesworth" relationship this time around.