Samantha Faiers invited her sister Billie Faiers over for a swanky dinner party in her Hertfordshire home at the weekend.The Mummy Diaries stars got dressed up for the event where they were joined by their partners Greg Shepherd and Paul Knightley, as well as their close pal Claudia Allen and her other half. But as they group dined on food cooked by a chef in Sam's kitchen, the sisters couldn't help pull a prank on their unsuspecting other halves using a strange Instagram filter.