This question is ambiguous as it does not specify which relationship Deepika is referring to. Deepika Padukone, a renowned Indian actress, has been in several high-profile relationships throughout her career. To accurately answer this question, we need more information about the specific relationship in question.
Possible Interpretations:
- Deepika Padukone and Ranbir Kapoor: This relationship ended in 2009.
- Deepika Padukone and Ranveer Singh: This relationship is ongoing, they are married.
Therefore, providing a definitive answer to the question "Which year did Deepika break up?" is impossible without further context.