The family of murdered schoolgirl Megan Leigh-Peat issued a statement read by police outside Luton Crown Court.
Andrew Hall - a former scholar at Stoke City's football academy - was found guilty of her murder. He will serve a minimum of ten years in prison.
Hall stabbed Megan 60 times with two different knives following an argument about his jealousy.
More top news
Further showers or longer spells of rain for many tonight, with it being heavy at times. Strong winds will also continue.
Leicester City striker Jamie Vardy has earned himself a place in football's history today after scoring against Manchester United.
Further showers or longer spells of rain for many tonight, heavy at times, particularly over the hills.