How does K1 visa application affect if the petitioner get married 3 times?

If the petitioner has been married three times, it may affect the K-1 visa application by raising scrutiny from Immigration authorities regarding the legitimacy of the current relationship. The petitioner must provide evidence that the marriage is bona fide and not for immigration purposes, which can include documentation of the relationship and prior marriages. Additionally, if previous marriages ended in divorce, the petitioner must provide proof of the finalization of those divorces. Each case is evaluated on its own merits, but a history of multiple marriages may prompt closer examination.