The first three episodes of Young Again with Kirsty Young are available now, with Linda Evangelista as the inaugural guest.
The couple, who married in 2000, were joined by their five children for the celebration.
The TV chef also denied he was part of the "anti-growth coalition" the PM has accused of holding Britain back.
Twitter suggests bats, David Attenborough and Conservative councils could also form part of the imagined alliance.
“She’s been really affected by it, sadly. We’re all over Harley Street like a rash but no one really knows anything."
His Eton Mess stunt at No 10 has gone down like a lead balloon with some shoppers.
The celebrity chef says he received a barrage of abuse during a recent family trip to the zoo.
The designer and her husband, Jamie Oliver, have five children.
Tributes have been flooding in for the celebrity chef and former Strictly Come Dancing star after his death in Dubai.
Festive offerings from Pret, Paul, M&S, Sainsbury's, Tesco, Eat and even Jamie Oliver.