It was narrated that Anas said:"When the 'Iddah of Zainab was over, the Messenger of Allah said to Zaid: 'Propose marriage to her on my behalf.' Zaid went and said: 'O Zainab, rejoice, for the Messenger of Allah has sent me to you to propose marriage on his behalf.' She said: 'I will not do anything until I consult my Lord.' She went to her prayer place and Qur'an was revealed, then the Messenger of Allah came and entered upon her without any formalities

English translation · Sunan an-Nasa'i