Yellowstone star Kevin Costner is celebrating his 70th birthday today -- and he's doing so by sharing an epic throwback snap of himself on social media.

Kevin Costner celebrated his 70th birthday on Saturday, Jan. 18, by sharing a throwback photograph of himself from his childhood on Instagram.

Kevin Costner honored his friendship with the late and great Whitney Houston on his 70th birthday over the weekend.

Kevin Costner has marked his birthday by sharing a throwback photo of himself with his former co-star Whitney Houston, admitting that he is “lucky”. Costner, who recently left his the now-completed Yellowstone amid a shroud of controversy, turned 70 on 18 January and celebrated the occasion by looking back at his own life and celebrating Houston’s.

The "Yellowstone" actor shared a sweet photo of him and Houston on the set of 1992’s romantic thriller, "The Bodyguard," and reflected on how much he misses his former costar.

In celebration of his 70th birthday, Kevin Costner treated his fans to a throwback photo showing the two-time Oscar winner long before his acting career began. The Yellowstone star was a young boy in the resurfaced snapshot,