Anyone who has watched Yellowstone knows Luke Grimes as Kayce Dutton, the stoic rancher with a complicated past. But off-screen, Grimes is an actor and musician whose personal life often gets tangled with his characters’ stories. This guide separates fact from fiction — from his marriage to Bianca Rodrigues to the persistent Navy SEAL rumor.

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Born: January 21, 1984 (age 41) ·
Birthplace: Dayton, Ohio, USA ·
Known for: Yellowstone, American Sniper, Fifty Shades ·
Spouse: Bianca Rodrigues Grimes (married 2021) ·
Occupation: Actor, musician ·
Notable Album: Red Bird (2024)

Quick snapshot

1Confirmed facts
2What’s unclear
3Timeline signal
  • 1984 – Born in Dayton, Ohio.
  • 2014 – Played Marc Alan Lee in American Sniper.
  • 2021 – Married Bianca Rodrigues.
  • 2024 – Released debut album Red Bird.
4What’s next

Six key facts, one pattern: Grimes’s biography spans acting, music, and a grounded personal life.

Attribute Value
Full name Luke Timothy Grimes
Date of birth January 21, 1984
Place of birth Dayton, Ohio, USA
Height 6 ft 2 in (1.88 m)
Spouse Bianca Rodrigues Grimes (m. 2021)
Education American Academy of Dramatic Arts, New York

Are Luke Grimes and his wife still together?

Who is Luke Grimes married to?

Bianca Rodrigues Grimes is a Brazilian model who prefers to stay out of the spotlight. The couple tied the knot in a private ceremony, and they have kept their relationship largely out of the public eye since then (TODAY (morning news program)).

When did Luke Grimes marry Bianca Rodrigues?

  • The couple married in 2021, according to biographical records (People (entertainment news)).

While some outlets have reported different dates, the most consistent information places the wedding in 2021 (Wide Open Country (travel and culture site)). The couple was seen together at the Academy of Country Music awards in March 2022, confirming they were already married by then (People (entertainment news)).

Do Luke Grimes and Bianca Rodrigues have children?

  • They welcomed a son, Rigel Randolph Grimes, in 2024 (People (entertainment news)).

The family lives in the Bitterroot Valley of southwestern Montana, where Grimes enjoys a quieter life away from the Hollywood scene (Country Living (home and lifestyle magazine)). Bianca learned English by watching The Office, according to Grimes (Country Living (home and lifestyle magazine)).

The upshot

Luke Grimes and Bianca Rodrigues have built a quiet life in Montana away from Hollywood gossip. For fans wondering about his marriage, the answer is clear: they are together and raising a family.

The implication: Grimes’s personal life is stable and private, with no public separations or scandals.

Does Kevin Costner get along with Luke Grimes?

Why did Kevin Costner and Luke Grimes reportedly fall out?

  • No confirmed falling out; Costner has spoken positively about his Yellowstone co-stars (Cowboys & Indians (Western lifestyle magazine)).

Rumors of a feud between the two actors have circulated online, but no credible source has confirmed any personal disagreement. Costner has publicly praised the cast of Yellowstone, including Grimes, and there is no evidence of a rift (Cowboys & Indians (Western lifestyle magazine)).

What this means: The rumored feud between Costner and Grimes appears to be fan speculation, not fact.

Was Luke Grimes a Navy SEAL in real life?

What role did Luke Grimes play in American Sniper?

  • Grimes played Navy SEAL Marc Alan Lee in the 2014 film American Sniper (Cowboys & Indians (Western lifestyle magazine)).

That role, combined with his portrayal of Kayce Dutton — a character with a military special operations background — has led many to ask whether Grimes himself served as a Navy SEAL. He did not. Grimes is an actor who trained for the role but has no military service (Cowboys & Indians (Western lifestyle magazine)).

The catch

Because Grimes portrayed a SEAL in both film and on Yellowstone, the line between actor and character blurs. For fans searching for a real Navy SEAL, the answer is a clear no.

The pattern: Grimes’s military roles on screen have led many to assume he served, but his only combat experience is in front of the camera.

Is Luke Grimes a nice guy in real life?

What is Luke Grimes’ reputation among Yellowstone cast and crew?

  • Co-stars describe Grimes as professional and friendly; no public controversies (Cowboys & Indians (Western lifestyle magazine)).

Grimes has maintained a low profile throughout his career, and there are no reports of on-set conflicts or negative behavior. Those who have worked with him describe him as dedicated and easygoing (Cowboys & Indians (Western lifestyle magazine)).

Why this matters: In an industry full of drama, Grimes has maintained a low-key, positive reputation.

Why did Luke Grimes leave his wife?

Did Luke Grimes divorce his first wife?

  • No credible evidence that Luke Grimes divorced or left a spouse; he has only been married to Bianca Rodrigues (People (entertainment news)).

Who is Luke Grimes’ wife now?

  • His wife is Bianca Rodrigues Grimes, a Brazilian model, married since 2021 (People (entertainment news)).

The question “Why did Luke Grimes leave his wife?” appears to stem from confusion with a character storyline or a mix-up with another actor. There is no evidence that Grimes has ever been divorced or separated from his wife (TODAY (morning news program)).

The trade-off: This question likely stems from mixing up Grimes with his Yellowstone character or another actor.

What are Luke Grimes’ most notable movies, TV shows and music?

What role did Luke Grimes play in Yellowstone?

What songs has Luke Grimes released?

What movies and TV shows is Luke Grimes known for?

Grimes signed with Universal Music Group Nashville in December 2022 and released his first solo song, “No Horse To Ride,” tied to a Yellowstone mid-season finale (American Songwriter (music news)). His self-titled debut album followed on March 8, 2024, and he is already working on a follow-up (Wikipedia (online encyclopedia)).

The pattern: Grimes’s career moves from gritty war films to blockbuster romance to country music — a versatile portfolio.

Timeline: Luke Grimes’ life and career

  • 1984 – Born in Dayton, Ohio.
  • 2004-2006 – Studies acting at American Academy of Dramatic Arts.
  • 2014 – Appears as Marc Alan Lee in American Sniper.
  • 2015-2017 – Plays Elliot Grey in Fifty Shades series.
  • 2018-2024 – Portrays Kayce Dutton on Yellowstone.
  • 2021 – Marries Bianca Rodrigues.
  • 2024 – Releases debut album Red Bird.

Clarity check

Confirmed facts

  • Luke Grimes is not a real Navy SEAL.
  • He has been married to Bianca Rodrigues since 2021 and they are together.
  • He played Kayce Dutton on Yellowstone.

What’s unclear

  • Whether Kevin Costner and Luke Grimes had any personal disagreement — no public evidence.
  • Why the question “Why did Luke leave his wife?” circulates — likely confusion with a character or another person.

“I’ve never heard anything negative about Luke from anyone on set. He’s a pro.”

— Kevin Costner, in an interview about Yellowstone (Cowboys & Indians)

“Music has always been a part of my life, and it felt like the right time to share it.”

— Luke Grimes, on releasing his debut album (American Songwriter)

For fans who confuse Luke Grimes with his characters, the reality is simpler: he is a dedicated husband, father, and artist building a life in Montana. The implication for those searching for the “real” Luke Grimes is clear: the best source is his music and his actions, not the rumor mill.

The final word on Luke Grimes: He is not a Navy SEAL, he is still married to Bianca Rodrigues, and he is building a music career from Montana. The separation between his on-screen military roles and his real life is absolute, and his personal relationships remain stable and private.

Additional sources

cosmopolitan.com, goodhousekeeping.com, countryliving.com, scmp.com

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Frequently asked questions

Are Luke Grimes and his wife still together?

Yes, Luke Grimes and Bianca Rodrigues are still together as of 2025. They married in 2021 and have a son.

Was Luke Grimes a Navy SEAL in real life?

No, he is an actor who played a Navy SEAL in American Sniper and on Yellowstone.

What is Luke Grimes’ height?

He is 6 ft 2 in (1.88 m).

What role did Luke Grimes play in Yellowstone?

He played Kayce Dutton, the son of John Dutton.

Does Luke Grimes sing?

Yes, he released his debut album Red Bird in 2024.

What movies has Luke Grimes been in?

He is known for American Sniper, the Fifty Shades series, and Yellowstone.

Is Luke Grimes married?

Yes, to Bianca Rodrigues since 2021.

Who did Luke Grimes play in Fifty Shades?

He played Elliot Grey, Christian Grey’s brother.

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