Fact: Over the last three seasons, Revenge has pretty much mastered the art of the OMG moment.

But dare we say Sunday's season finale may just feature not one, not two, but three of the ABC sudser's best shockers ever?! (Oh yes, we went there and we bought property.)

However, before we get to the finale, titled "Execution," let's take a moment to look back on some of the biggest twists Revenge has delivered so far.

In the exclusive video above, Revenge's Top 5 OMG moments are revealed, but which shocker takes the number one slot?