Former Backstreet Boys singer Nick Carter reportedly walked out of Monroe County Detention Center yesterday after allegedly getting involved in a bar fight on Wednesday night. Carter was swept up in a media frenzy this week when he had a scuffle with a bartender at The Hog?s Breath Saloon after the employee refused to serve him. According to police reports, Nick and his pals were ?highly intoxicated.? Wearing a Tampa Bay Buccaneers tank, the former boy band member strode to a waiting taxi on Wednesday evening. Before climbing in the taxi, Carter told TMZ, ?I?m just a guy trying to enjoy some vacation time down here in Key West, and the truth will come out."