Marriages

• Cindy Silva (1978–1994) – College sweetheart, three kids (Annie, Lily, Joe). Divorce partly fueled by affair rumours during Waterworld.

• Christine Baumgartner (2004–2024) – Model/handbag designer, three kids (Cayden, Hayes, Grace). Divorced after nearly 20 years.

Other Relationships

• Bridget Rooney – Dated after first divorce, had son Liam in 1996.

• Rumoured links to stars like Halle Berry, Mira Sorvino, and others.

Affairs & On-Set Rumours

• Most notable: alleged fling with Hawaiian hula dancer Michelle Amaral during Waterworld shoot, which Costner denies.

JLo Rumours

• Recent speculation linked him to Jennifer Lopez, but there’s no evidence beyond gossip. Costner has denied any romantic involvement.