Anbasah bin Abi Sufyan narrates: Umm Habibah (may Allah be pleased with her) told me that she heard the Messenger of Allah (peace and blessings be upon him) saying: "Whoever prays four rak'ahs before Zuhr and four rak'ahs after it, Allah will make him forbidden to the Fire of Hell."
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 19763