Oliver Hudson Wishes Kurt Russell a Belated Happy Father's Day After Slamming Biological Dad Bill Hudson

Oliver Hudson is paying tribute to the man he considers to be his father: his stepdad, Kurt Russell.

Just three days after posting a terse Instagram message to his biological dad, Bill Hudson, the Nashville star showed his sweeter side on social media.

Kate Hudson Honors Stepdad Kurt Russell While Brother Oliver Slams Father Bill Hudson

Father’s Day brought out strong emotions in siblings Kate Hudson and Oliver Hudson.

Kate posted a sweet sentiment Sunday on Instagram to her stepfather, Kurt Russell, while her brother called out their estranged father, Bill Hudson.

Kate Hudson and Mom Goldie Hawn's Sweet Birthday Messages for Kurt Russell

Tuesday was not only St. Patrick’s Day, it was also a very important day in Kate Hudson’s life – her dad Kurt Russell’s 64th birthday.

In honor of her mom Goldie Hawn’s partner of more than 30 years, Hudson (whose biological father is Hawn’s ex-husband Bill Hudson) posted a sweet picture of the man she calls “Pa” on Instagram.

Joe Manganiello Drops Out of New Fox Drama Scream Queens, Oliver Hudson Fills In

Say it ain’t so, Joe!

Joe Manganiello was forced to drop out of Ryan Murphy’s new Fox drama Scream Queens because of his upcoming publicity schedule for Magic Mike XXL, PEOPLE has learned.

Bottoms Up! Oliver Hudson Poses in His Birthday Suit (PHOTO)

But, why?

Then again, ours is not to reason why. Ours is just to feast our eyes!

Nashville star Oliver Hudson opted to show off his tush – and his tan lines – on Instagram on Sunday. The actor was photographed on a San Francisco-area hillside with the Golden Gate Bridge in the background.

“No place like home,” he wrote, along with the hashtag #notanlines.

Nashville Blog: Oliver Hudson on Jeff Fordham's Problem with Women

Every week, a member of the Nashville cast will blog about the latest episode on ABC. This week, Oliver Hudson (Jeff Fordham) weighs in on the second episode and how his character got a dressing down from the head of the label for "hating" female artists and driving down profits.

Oliver Hudson Introduces Daughter Rio Laura

“My baby girl … Rio Laura Hudson,” the former Rules of Engagement actor captioned the sweet snapshot he posted to Twitter on Friday.

Oliver Hudson Welcomes Daughter Rio Laura

The actor and wife Erinn have welcomed their third child, daughter Rio, proud grandma Goldie Hawn announced Thursday.

Oliver Hudson and Wife Expecting Second Child

Oliver Hudson and Erinn Bartlett are expecting their second child, his rep confirms to PEOPLE.

The Rules of Engagement star, 33, and his actress wife, 36, are already parents to son Wilder Brooks, 2.

Oliver Hudson shares story of son Wilder's birth

Oliverhudson90_cbbAppearing on Last Call on Thursday, Rules of Engagement star Oliver Hudson, 31, tells Carson Daly about the birth of his son, Wilder Brooks, now 4 weeks – and his reaction to the realization that his child was, in fact, a boy.