Nadia Sawalha and her husband Mark Adderley were sent the most delicious-looking, two-tier cake on Thursday as they marked six years of home schooling their two daughters.MORE: Nadia Sawalha and husband Mark reveal their biggest parenting regretSharing the amazing, bright yellow gateau on Instagram, the Loose Women star revealed that it had been topped with a hilarious message that read: "Honey we home schooled the kids." WATCH: Nadia Sawalha shares look at never-ending gardenAdding a lengthy