Chesney Battersby-Brown, according to the Daily Star, will lose his virginity to newcomer Kat Armstrong, Izzy's sister.Coronation Street's Chesney, played by Sam Aston, will bed Kat in scenes to be screened in October. But he’s in for a tough time when Kat’s bad-tempered dad Owen finds out what he’s been up to with his youngest daughter. And Owen is not a man to be crossed – a fact that Chesney realises just days after his first sex session.