The recycled clothes sorter, who polled 19% of the vote to win, stood up but was told by Davina that he will leave the house in half an hour.
As Siavash congratulated him, he said: "I'm happy with that, I am."
He dabbed his eyes with his tissue as he sat back down on the sofa. Meanwhile, Siavash insisted that Sophie would win after he heard boos following his name.
David will leave the house in the second show at 10pm.