Jamie Lynn :
"Kevin has been great, as always,”
“He and Britney have become best friends. She knows how much he cares about the boys and he knows the same is true of her."
An Inside Source :
“Kev also gets on great with mom and dad, so it’s one big happy family pulling together. Everyone just wants to make sure that this tour is successful for Britney and that she gets the comeback she deserves,”
Source : Hello! & PopCrunch