Anbasah bin Abi Sufyan narrates: My sister Umm Habibah (may Allah be pleased with her) told me that the Prophet (peace and blessings be upon him) said: "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 / 19760