The fighting words are flowing among some of Hollywood's biggest stars. But which spats are harmless and which are bound to be played out in the public sphere for years to come? USA TODAY asks PopSugar blogger Molly Goodson to decode the feuds.
Britney Spears vs. Kevin Federline
The feud: In the Dec. 11 issue of Rolling Stone, Spears reveals that son Sean Preston, 3, uses profanity, blaming it on ex-husband Federline. In Spears' MTV documentary, "For the Record," she says that Federline spent...Full Story