It is narrated from Hazrat Aisha (may Allah be pleased with her) that the Prophet (peace and blessings be upon him) would perform ghusl and then offer two rak‘ahs; it seems that he would not perform wudu after ghusl.
Hadith Referenceمسند احمد / مسند النساء / 25205
Hadith Gradingحکم دارالسلام:حديث حسن بطرقه دون قولها: ويصلي ركعتين وصلاته الغداة وقد تفرد بها زهير