Britney Spears Kevin Federline

Britney Spears' lawyer is 'exploring all appropriate relief against' Kevin Federline after he posted a video of his sons arguing with her.

“We are working with Instagram to ensure that Mr. Federline adheres to its rules and we are exploring all appropriate relief against him,” Rosengart states. “Whether he realizes it or not, Mr. Federline has not only violated the privacy and dignity of the mother of his children, he has undermined his own children, whose privacy he should protect. On Wednesday, Federline posted old videos on his Instagram account where Spears appears to be arguing with her young sons, then ages 11 and 12.

An attorney for Britney Spears is speaking out against a series of videos posted ​by the singer's ex-husband, Kevin Federline​.

On Wednesday, Federline posted to Instagram multiple videos that he said were filmed by Spears' sons several years ago in which she appears to have verbal disagreements and uses harsh language with her two children. "Mr. Federline's ill-advised decision to post an old video of his 11 and 12-year-old children was cruel, bottom of the barrel stuff." The videos have since been removed from the social media platform, but they were published by TMZ. In a statement to CNN, Spears' attorney said they are "working with Instagram to ensure that Mr. Federline adheres to its rules, and we are exploring all appropriate relief against him."

Britney Spears' lawyer warned that Kevin Federline has created "legal issues" after posting videos of the star arguing with their sons.

“We urge Mr. Federline to act with a measure of grace and decency and to cease from publicly discing private matters, which benefits no one.” Then on Wednesday (Aug. 10), Federline posted multiple videos on Instagram that appeared to show Spears — several years ago — arguing with her then-young sons. He said it had “been a few months since they’ve seen her.”

After Kevin Federline posted years-old videos of Britney Spears arguing with their sons, Sean and Jayden, Spears's lawyer, Mathew Rosengart, called the ...

Federline posted the videos on August 10 in an escalation of a public argument with Spears over their two sons, Sean and Jayden. He wrote that they “decided as a family” to post two clips of arguments with Spears from when they were 11 and 12; they are now 15 and 16. The videos come after Federline gave an interview last week to the Daily Mail and ITV, in which he claimed their sons “have decided they are not seeing her right now” and did not attend her wedding. Britney Spears is hitting back after Kevin Federline posted a video of her in an argument with their children.

Kevin Federline posted 4-year-old videos showing ex-wife Britney Spears parenting their teen boys. The reaction likely wasn't what he expected.

“In the meantime, as Britney herself poignantly said, whatever is occurring between her and her boys should remain private,” he added. “I can’t process how I dedicated 20 years of my life to those kids ... everything was about them !!!,” Spears wrote as the post neared its end. They made the decision not to go to her wedding” to Sam Asghari in June. In addition to demeaning himself and violating societal norms, he has now also created various legal issues for himself including, but not limited to, implicating cyber-harassment and cyber-bullying statutes, among other things.” Spears’ ex initially got full custody of Sean and Jayden following the couple’s divorce in 2007, but that agreement changed over the years to allow the pop star more visitation. “I try to explain to them, ‘Look, maybe that’s just another way she tries to express herself.’ But that doesn’t take away from the fact of what it does to them. Federline’s older kids with Shar Jackson — Kori, 20, and Kaleb, 18 — frequently visit, the Daily Mail said. That is all,” tweeted “Skylanders Academy” voice actor Greg Ellis. “The boys have decided they are not seeing her right now,” Federline said. “Dear Kevin Federline. You released a “scathing” video of a mom being a mom. Britney Spears’ public spat with her ex-husband escalated late Wednesday night when Federline uploaded three videos taken by the former spouses’ sons, Jayden and Sean Federline, as their mother, um, mothered them. “I can not sit back and let my sons be accused in this way after what they’ve been through.