Mathew Rosengart is the attorney for singer Britney Spears.

On Wednesday night, Britney got candid about the last time she saw her sons.

It seems her ex-husband Kevin Federline didn’t like what he had to say.

He posted three videos of Britney on Instagram that he says his boys took years ago.

As of Thursday morning, those videos have since been taken down.

Rosengart slammed K-Fed, saying that he “violated the privacy and dignity of the mother of his children.”

In a statement to TMZ, he called it, “cruel, bottom of the barrel stuff.”

He revealed that they will consider legal action for “cyber-harassment and cyber-bullying statues.”

He is asking that K-Fed and Britney keep things related to their boys private from here on out.