Kristin Bell and Luke Grimes Posted a Cryptic Selfie that Sent 'Yellowstone' Fans into a Frenzy

Kristen Bell and Dax Shepard have been married for almost 10 years, and it's clear the loving couple has a good sense of humor. Case in point: this photo Dax posted that can only be described as epic.

The Armchair Expert podcast host first posted the picture of his wife and Yellowstone star Luke Grimes, who portrays Kayce Dutton on the hit Paramount Network show. (For the record, Luke is married to Brazilian model Bianca Rodrigues.) The photo shows Kristen embracing Luke, who has windblown hair and a smoldering facial expression. Dax wrote, "Well, that’s a wrap on my marriage! I wish you both well, and I don’t blame either of you. Fair play @lukegrimes." The jokes rolled in from Dax's fans who expressed mock words of condolence.

Kristen then reposted the selfie on her feed, with the caption, "Sister wives? Nah, let’s go with Brother husbands. @lukegrimes welcome to the family and @daxshepard, as usual, thank u for being so supportive. We’re all Duttons now!!"

The comment from the official Yellowstone Instagram account really got people talking. They wrote, "Welcome to the Yellowstone. 🤠" Kristen replied, "I’m thrilled to be here. Pls saddle up my horse," and Yellowstone responded, "we're on it!"

Video: A look at the cast of 'Yellowstone'

Many excited fans jumped to the conclusion that Kristen is going to be joining the cast of the hit show. Some even went so far as to speculate she would portray Kayce's new love interest or even an adversary for Beth:

• "YES OMG OMG OMG BOTH FAVORITES COLLIDING!! I never imagined this and I’m so freakin ready!!!!!!!!!!!!!!!"

• "GTFO I just took the biggest gasp ever!!! LOVE LOVE LOVE that you’re joining this fantastic team. ❤️❤️❤️❤️❤️❤️❤️"

• "Wowee just when I thought this show couldn’t get ANY better
  Here👏for 👏it👏 🔥"

• "Oh my gosh! Are you now going to be on Yellowstone? Favorite show ever and it will even be better if you are on it! #favoriteactress"

• "I wonder if they will pit her character against Beth and make her a bad girl...this would be 👌"

To be clear, Paramount has not given any indication that the Frozen star will be joining the cast of Yellowstone. Perhaps Luke will be a guest on an upcoming episode of Dax's podcast, or maybe they simply ran into each other in a parking lot and took a photo. We don't have the answers, but it certainly is fun to speculate!

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