Shaun White may be all smiles after his split from Nina Dobrev, but she seems to be having a tougher time... On Wednesday, The Vampire Diaries star returned to social media for the first time since it was announced she called off her engagement to the snowboarder after five years together. It's unclear what happened - but the more we learn, the more it's looking like the athlete cheated! (Though sources close to him have denied the rumors.