Britney Spears' one-time husband has been charged with felony stalking after turning up unannounced at her home in Los Angeles just hours before her wedding to Sam Asghari. Jason Alexander, 40, pleaded not guilty to the charge as well as four misdemeanours at a court hearing in Ventura County, California on Monday. He faced two counts of misdemeanour battery, one count of misdemeanour vandalism and one count of misdemeanour trespassing following the incident.