TMZ.com: Sam Asghari Seemingly Shades 'Professional Father' Kevin Federline - SAM ASGHARI READY FOR 'PROFESSIONAL FATHER' K-FED'S NEW BOOK!!! ... We are sensing some K-Fed shade from Sam Asghari ... who hinted at his feelings about Britney Spears' ex-husband releasing a tell-all book when we caught up with him in Los Angeles Friday.