New Zealand's 38th prime minister, John Key, has been given the highest honour in this year's Queen's Birthday Honour's list. He's been made a Knight Grand Companion of The New Zealand Order of Merit. That means from now on his official title is The Right Honourable Sir John Key. He speaks to Megan about what the honour means to him and shares his thoughts on the ongoing debate about New Zealand becoming a republic.

Philip Holdway-Davis is from the UK but now calls New Zealand home. His family is linked to New Zealand through the trenches of World War One when his great uncle Oswald Harcourt-Davis was attached to ANZAC troops in Europe as a Despatch Rider. Oswald, a talented writer, meticulously kept a diary observing life on the front line alongside the New Zealand and Australian troops. Philip Holdway-Davis has compiled the diary into a book which includes a battlefield guide for people wanting to revisit where troops fought and eventually won on the Western Front. He talks to Megan about the diary and the parallels his life has had to his great uncle's.

Country and soul singer Tami Neilson is currently making her way around the country performing her Songs of Sinners tour at venues both intimate and large.

While it might be Queen's birthday weekend it's younger royals who are a constant source of fascination and fashion inspiration. Just recently the world watched as Pippa Middleton married, but not so much because of her nuptials but because they could see the youngest in line to the throne be part of the wedding party. Jessica Morgan and Heather Cocks run the website gofugyourself and are big royal watchers, they've even written a book based on Kate Middleton marrying Prince William - which has been scooped up to possibly be made into a film. They speak to Megan from LA talking about their book and what they made of the Middleton-Matthews wedding.

Tze Ming Mok is a New Zealander who has lived in London for nine years - close to where the attack happened.

Lynda Hallinan is a gardening guru who's happy to help people get into the garden and grow their own produce. She's also got some great ideas on what to do with the produce that is grown. As we head to the shortest day of the year, Lynda joins Megan to talk about what we should be doing with our gardens and planning ahead for the warmer months which follow. She's also has some great tips on dressing for winter gardening.

The co-founder and chair of New Zealand Republic, Savage, talks to Megan about their ongoing campaign to replace the Queen as our head of state. His lobby group is calling for a referendum on the issue and want to see a local and independent head of state appointed to oversee our government. He speaks to Megan about their campaign and the momentum it has gained since being founded in 1994.

Katie Nicholl is a royal correspondent, expert and best selling author. She is particularly close to the younger royals of the family but knows the protocols and ceremony which apply to the wider family. She joins Megan Whelan live from London to talk about the role of the monarchy in modern society and what it means with the patriarch, Prince Phillip withdrawing from public life.

Our correspondent Catherine Drew joins us from London, where yesterday's terror attacks have left seven people dead and 40 people injured, just days before the British election.

Andy Barber has received a Queen's Service Medal for services to karate and the community. Also a JP, Andy has spent most of his life involved with Seido Karate. He also used his involvement with the martial art to help people in need in his home community of Nelson. His work ranges from developing programmes with unemployed people, to raising money for families in need. He's also a an 8th Dan black belt in World Seido Karate. He is currently in New York giving seminars as part of the 40 year commemoration of Seido Karate's foundation.