(pr-inside.com) - Britney Spears' concerned aunt has warned the pop superstar is in such a dangerous state of mind she should be placed on suicide watch.Chanda McGovern was horrified to see her Toxic singer niece hit the headlines for the wrong reasons again last week (ends04Jan08), after a three-hour stand off at her Beverly Hills, California home when she refused to give her two sons back to her ex-husband Kevin Federline.Spears then spent two nights at Los Angeles' Cedars-Sinai Medical Center to undergo a mental evaluation.And McGovern fears that if the 26-year-old doesn't receive urgent psychological attention then she may try to take her own life.McGovern tells American magazine Us Weekly, "She needs to be on suicide watch."