Although Tyler was the one to walk away from the relationship, Caroline committed the ultimate act of betrayal by sleeping with his mortal enemy, Klaus. With the cat out of the bag, and Tyler sure that he wants nothing to do with her, Caroline walked into this episode's Bitter Ball and shredded remnants of both men.
But does Caroline ever remain single for very long? Although there were hints of jealousy over watching Stefan and Elena/Katherine dance, Accola tells TVGuide.com that those two are destined for great friendship.