Every year, there seems to be a few cheating scandals that shock the world.  Who could have imagined that Tiger Woods was being unfaithful with countless women or that, right after Sandra Bullock praised her husband on the night she won an Oscar, Jesse James’ true colors would be revealed?

All that these situations prove is that relationships are just as flawed and challenging for celebrities as they are for regular people, despite their riches and ability to afford couples’ therapy.   Indeed, money does not buy happiness (or fidelity).

This year, there has an interesting mix of stories ranging from young unmarried couples to marriages that have already dissolved.  Whatever the case, there’s something about these sad tales that draws us in and, usually, forces us to take sides which, of course, isn’t fair since we don’t have all of the details.  Regardless, here’s a look at some of the biggest cheating scandals in Hollywood right now.

Kristen Stewart and Robert Pattinson – The Twilight co-stars never formally confirmed their relationship before its demise was dissected in the media.  They appeared to be an unstoppable pair.  Private, low-key and seemingly committed, it was a shock when photos emerged of Stewart engaging in some questionable behavior with her Snow White and the Huntsman director, Rupert Sanders.  Since then, the pair have split up (despite Stewart’s public apology and declaration of her love for Pattinson) but, recently, have been spotted together again.  It’s unclear if they will be able to repair their once promising relationship.

LeAnn Rimes and Eddie Cibrian – I know what you’re thinking – this scandal happened a while ago.  They were each married to other people but began having an affair while working on a movie together.  Time may have passed but Rimes is learning that fans are not always very forgiving when it comes to adultery.   The couple has since married but, recently, Rimes entered emotional rehab after accusing a Twitter follower of cyberbullying (she also filed a lawsuit).  The woman admits to siding with Cibrian’s now ex-wife and even taped a phone conversation with Rimes and posted portions of it on the internet.  This story is far from over.

Arnold Schwarzenegger  and Maria Shriver – For years, there were rumors that Schwarzenegger was a womanizer who had cheated on Kennedy clan member, Shriver, but now there is irrefutable proof.  It has been revealed that he fathered a child with his family’s long-time housekeeper, Mildred Baena.   The couple have now split up and Shriver has filed for divorce but her famous Terminator husband insists that he still has hope for their relationship.

Jason Aldean and Brittany Kerr – Fans love the country superstar for his great music as well as his marriage to his high school sweetheart.   All of that came into question when he was photographed getting cozy with American Idol contestant, Brittany Kerr.  He issued a public apology, explained that he had been drinking and that nothing happened between them.   After receiving death threats, Kerr has apologized as well.  Now, Aldean says that his family is okay but that’s he’s extremely embarrassed about the whole situation.

It just goes to show that even famous couples can be rocked by a serious cheating scandal Celebrity Couples Who Have Been Rocked by Cheatingwhich is a clear signal to either be honest about the difficulties in a relationship and seek help or end it before getting involved with someone new.