Come to mama: Days after losing custody of her two kids, Britney Spears found some solace by reuniting with estranged mom Lynne Spears.

“Brit really needed her mom,” a source tells PEOPLE. “So Lynne flew out and they met.”

Spears will be needing all the support she can get. Documents released Thursday regarding her heated custody battle with ex-husband Kevin Federline revealed stricter measures, particularly placed on her.

With regard to her supervised visitation rights with her two sons, Sean ...