Britney Spears left a hospital on Saturday where she was admitted following a confrontation at her home, which ended in a fit of hysterics by the troubled pop star, several media outlets reported. A number of celebrity Web sites said Spears was visited Saturday by Dr. Phil McGraw, who counsels people on his popular television program, The Dr. Phil Show.A spokeswoman for the hospital, Cedars-Sinai Medical Center in Los Angeles, declined comment citing patient confidentiality, and a representative for McGraw could not be reached. Spears, 26, was hospitalized on Friday when trouble erupted between her and representatives of her ex-husband, Kevin Federline, who went to Spears? home to pick up their two young sons from a weekend visitation.The pop singer, who spent much of 2007 in and out of alcohol and drug rehab and battling legal problems, became hysterical, was taken from her home on a stretcher and transported to Cedars-Sinai via ambulance, television and Web sites reported.