Oh, how we love to see celebrities being forced out of their comfort zone. But rather than cooking or dancing or surviving in the jungle, these five familiar faces are out on the streets working as volunteer police officers. TV presenter and model Katie Piper, Loose Women panellist Penny Lancaster, Made in Chelsea's Jamie Laing, Gogglebox's Sandi Bogle and comedian Marcus Brigstocke volunteer as special constables with Cambridgeshire police force.