Kevin Federline

The pop star's new husband called her ex a "professional baby daddy."

Britney Spears' teenage sons, Sean and Jayden, spoke out about their strained relationship with the pop star in an explosive new interview set to air tomorrow.

Kevin Federline is leaving no stone unturned in his upcoming tell-all interview, detailing his whirlwind romance with Britney Spears, her infamous 2007 breakdown and more.

The 40-year-old unemployed Louisiana native remains behind bars due to a warrant from another criminal case.

The pop star says she is hurt after her ex-husband posted private videos of her arguing with her sons.

Kevin Federline is being ripped a new one after posting several private videos showing Britney Spears in heated arguments with their sons.

Britney's fan have attacked K-Fed calling the move "lower than low" and arguing the videos don't show Britney being anything but an assertive mother.

Britney Spears' ex-husband Kevin Federline broke his silence for the first time in 10 years, but fans won't get to hear everything he has to say.

Kevin Federline accused his former father-in-law of abusing his then 13-year-old son.

The former couple's youngest son Jayden turns 18 in a little over two years.

The pop star's ex-husband sat down for an interview where he claimed Britney's kids are staying away from her.

Kevin Federline claimed that his sons have chosen not to see their mother, Britney Spears, for several months.

Kevin Federline's lawyer denies Britney Spears' pregnancy allegations against her ex. He's warning the singer she should "be careful" what she says on Instagram.

The movement worked.

Singer wants out, as manager is given control of her medical & personal decisions.

Britney Spears' ex 'not good and nobody thinks he’s cool anymore.'

‘Insufficient proof’ after Kevin Federline filed a police report for 13-year-old son.

A custody agreement allows the singer to have her kids 30 percent of the time.

Singer now wants to be free from the conservatorship and his ‘control,' source says.

The singer's father could face misdemeanor battery charges after incident.

The singer ‘doesn’t want him running her life anymore’ after son abuse claims.

Kevin Federline filed police report against famous ex's dad.

The singer & ex-husband Federline came to new decision in court.

Spears looks love-struck amid speculations she’s engaged to Sam Asghari.

Federline begs Spears for cash 'because he has to care for the boys full-time.'

Spears has secured manager for Jayden & wants him to perform on stage.

Spears locked in litigation with K-Fed and begging Sam Asghari to propose.

Singer flaunts figure in a sparkly bra and suspenders.

Federline is begging a judge to give him more than $20k a month from Spears.

Will pop star and her ex end their bitter court battle over cash for the boys?

Baby daddy Federline demanding a lot more money from Spears.

Pop star's ex-hubby is demanding a lot more money.

Singer poses with bare chested male backup dancers!

Britney Spears is speaking out about an explosive lawsuit claiming the Toxic singer hit her children, had sex in front of them and made them eat until they

Kevin Federline might want to call his accountant on this Tax Day to settle an outstanding bill he still owes to the IRS.EXCLUSIVE DOCUMENT: Kevin Federline

By Jen HegerRadar Legal Editor Britney Spears will have to undergo a psychiatric exam, if her former manager gets his way in court, RadarOnline.com is

By Jen HegerRadar Legal Editor Britney Spears’ former manager, Sam Lutfi, has been dealt yet another legal setback in his ongoing lawsuit against the pop star

By Jen Heger - Radar Legal Editor Britney Spears’ lawyers are accusing her former manager, Sam Lutfi, who is suing the pop star and her family for breach of

By Radar Staff The Malibu estate that Britney Spears called home during her marriage to Kevin Federline has hit the market after a total make-over.[ami-related

See the tortured history of their nasty divorce and custody battle.

Ex-husband demanding more child support from Britney Spears.

The pop star’s dad is ‘extremely suspicious’ of Federline’s motives.

Baby daddy wants pay raise after singer's world tour brought in $137M.

Federline’s attorney sent a legal letter to Spears’ team on Thursday.

All the scandalous details in just 13 clicks!

Do celebrities have a duty to spread their gene pool?

For every Sean Jean and Victoria Beckham there is a star-led fashion brand that flopped…badly.

Britney Spears is bringing a 'sexy’ new routine to Vegas show comeback.

Charlie Ebersol’s mom doesn't like Britney Spears for her son.

Britney Spears' new beau Charlie Ebersol gets kids' approval.