Here's a breakdown of the key events:
* April 2010: Jesse James, then married to actress Sandra Bullock, admitted to having multiple affairs during his marriage.
* August 2010: Jesse James and Sandra Bullock announced their separation, and James publicly apologized for his actions.
* September 2010: Jesse James and Kat Von D started dating.
* January 2011: Jesse James proposed to Kat Von D.
* August 2011: Kat Von D called off the engagement after photos surfaced of Jesse James with another woman.
In addition to the infidelity, the couple faced other challenges, including:
* Public scrutiny: Their relationship was highly publicized, and they faced intense media attention.
* Personality clashes: Kat Von D and Jesse James had very different personalities and lifestyles.
* Trust issues: Kat Von D struggled to trust Jesse James after his past infidelity.
In the end, the combination of these factors led to the couple's breakup.