Mummies tummy

Daddy - "Why we going into Mothercare ... now what do we need?"
Mummy - "I am looking for the attachment thingy for Diesels buggy"
Neo - "Mummy needs stuff for the baby in her tummy"
Mummy - "Oi ... I don't have a baby in my tummy any more, Diesel is here"
Neo - "Yeah you do ... you have a big tummy"