Hayden Panettiere’s ex-boyfriend Brian Hickerson could be looking at serious jail time after being charged with multiple counts of domestic violence and assault.The South Carolina native, 31, was charged with eight counts — seven felonies and one misdemeanor — on Thursday, July 16, according to court documents obtained exclusively by Us Weekly on Friday, July 17.“If convicted on all charges, Hickerson faces a maximum prison sentence of 10 years and eight months,” Los Angeles County District