The challenge involved both parties answering the same day-to-day life questions at the same time, then seeing how compatible the answers are.
Barrett and his partner answered five out of eight questions correctly and passed with flying colours.
There were a few curly ones too - such how many were invited to their Rakino Island wedding, Barrett's favourite music, and Laity's shoe size.
One answer they couldn't quite agree on, however, was the colour of Barrett's underwear.
The two-time Woirld Rugby Player of the Year turned out in the inaugural T20 Black Clash on Friday, joining younger brother Jordie in taking on some of New Zealand's cricketing greats in Christchurch.