Prime Minister Jacinda Ardern has given a toast at the dinner honouring the Queen in London.

Ardern arrived at the banquet accompanied by her partner Clarke Gayford. She wore a korowai designed in London.

Earlier, Ardern had a one on one audience with her majesty and says they had a warm conversation.

“I had a discussion with the Queen that mostly focused on New Zealand. She obviously has a huge interest in the varied things that we've been up against in recent times and clearly maintains a great interest.”

The PM returned home to NZ yesterday.