In an exclusive interview with People Magazine, actor Kevin Costner revealed his biggest life lesson after becoming a father to seven children and raising them as unique individuals.

He welcomed his son Liam, 28, during a brief relationship with Bridget Rooney, and shares his youngest children, Cayden, 18, Hayes, 16, and Grace, 15, with his second wife, Christine Baumgartner.

Kevin Costner with his three youngest children in Hollywood on February 9, 2015. (Lumeimages / SplashNews) ...

Here’s everything to know about Kevin Costner ... my children are somewhere watching over me, which they always do — you can imagine that feeling," he said. From a young age, Hayes was ...

Read more: How Katherine Heigl Became So Hated In Hollywood Kevin Costner's seven children vary dramatically in age: his oldest is 26 years older than his youngest. When Costner split from his ...

The two-time Oscar winner welcomed his three eldest children during his 16-year marriage to ex-wife #1 Cindy Costner, which ended in 1994. Kevin fathered his three youngest children during his 18 ...

Kevin Costner has been showing off his family more than ever over the past couple months, once again posing as a proud dad at the Los Angeles premiere of his film Horizon: An American Saga ...

Kevin Costner marked the holiday season with a ... and Liam with his former partner Bridget Rooney. His youngest children — Cayden, Hayes and Grace — are with his ex-wife Christine Baumgartner.

who shares custody of his three youngest children, Cayden, 17, Hayes, 15, and Grace, 14, with Christine. Kevin also pointed out that divorce is not easy when children are involved in the family ...

Eric Ray Davidson Kevin Costner doesn't pretend his divorce ... who shares custody of his three youngest children, Cayden, 17, Hayes, 15, and Grace, 14, with Baumgartner. Costner acknowledges ...

Related: Kevin Costner Says His Yellowstone Character ... and Tin Cup. Costner's youngest children, including sons Avery, Cayden Wyatt and Hayes Logan, sometimes attend movie and TV premieres ...