2010 has been the year of splits!

Beginning with Sandra Bullock and Jesse James after the Oscars and, more recently, Courteney Cox and David Arquette, Christina Aguilera and Jordan Bratman, Zac Efron and Vanessa Hudgens and Ryan Reynolds and Scarlett Johansson.

What's happening to Hollywood? Not that it's at all uncommon for celeb couples to break up, but there are so many splits already this week!

So who's next? Sometimes even the happiest couple (like Ryan and ScarJo) can't survive both being in the business and having a relationship...