"Best of luck. Is all I have to say," the 37-year-old reportedly wrote, in what appears to be a since-deleted tweet.
The One Tree Hill alum also shared cryptic quotes about love on her Instagram Story and on Twitter.
"Love can happen in a split second. Bondedness can’t," one quote read. "That’s the thing we learn the hard way. That love is not the end of the story. It’s just the first chapter. The next chapters demand that we acknowledge our wounding, clear our emotional debris, strengthen our capacity for attachment, learn how to authentically relate, mature in the deep within."
She also shared another quote that read: "Maybe you'll look back at a relationship and think, 'I cannot believe I allowed that to happen.' It happened because you were in a trance, trying your best to make it work and to be enough. Now you're awake and the best thing you can do is stay awake, learn the lesson, and forgive yourself for being human."
Although Kramer did not mention her ex-husband directly, fans couldn't help but believe her posts were inspired by him.
"Even acknowledging that he is dating again is below you. His personal life is none of your business anymore which is a huge positive for you. You are strong and beautiful. Keep on truckin'!" one user replied.
"You gave it your all Jana," another fan wrote.
"Go get yours girl! You deserve the world and more, 'know your worth,'" a third fan responded.
Kramer's messages came on the heels of Instagram gossip account @cocktailsandgossip posting a photo of the former football player at a pool with an unknown woman wearing a bikini.
Last week, Kramer tweeted, "And the lies keep on comin. I feel a country song brewin." Days later she wrote, "'I promise you in the end it will all make sense'. I remember being told that and thinking yea right. Give it time…it’ll make sense. I promise you ;)"
The pair previously split in 2016 when Caussin was reportedly unfaithful, but later reconciled when he sought therapy for sex addiction. They tied the knot in 2015 and share children Jolie, 5, and Jace, 2.
The last straw for the country singer was when he was allegedly unfaithful again. She announced that they were calling it quits in April and said that she had "nothing else to give" when it came to fighting to save their marriage.
The Love At First Bark star cited "inappropriate marital conduct, irreconcilable differences and adultery" as the reason for their divorce. After their split was finalized, she admitted to her Instagram followers that her first feeling was "failure." She also confessed to feeling "moments of anger that I never wanted this for my reality, for my kids."
"Here's what I know….I didn't fail my kids. I'm showing them a strong momma and I'll continue to do that and walk away knowing I did everything I could," she said at the time.