Prince William greets crowds before wedding!

Prince William left Clarence House last night to spend time mingling among crowds of well-wishers.

The royal groom-to-be, who will marry Kate Middleton at Westminster Abbey this morning, shook hands with members of the public and posed for photographs with his brother and best man Prince Harry.

One onlooker told The Mirror: “They were so kind to everyone. They walked by and we said, ‘Good luck William’, and he said, ‘All I have to do is remember my lines’.”

Another wellwisher added: “I got a royal handshake and I’m thrilled. We’re just in seventh heaven right now. Absolutely, the story of a lifetime.”

Prince William also told crowd members that he thought it was “amazing” that they were “camping out” on the streets of London just to catch a glimpse of the next day’s ceremony.

According to The Sun, the 28-year-old joked to two women sleeping in a tent: “Are you going to sleep here? Have you got a Jacuzzi in there?”

Prince Harry followed his brother and told fans: “You’re amazing. These crowds are amazing. Thank you so much.”

Watch a video of Prince William greeting wellwishers below: