وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، كَانَ يَغْتَسِلُ لإِحْرَامِهِ قَبْلَ أَنْ يُحْرِمَ وَلِدُخُولِهِ مَكَّةَ وَلِوُقُوفِهِ عَشِيَّةَ عَرَفَةَ ‏.‏

Yahya related to me from Malik from Nafi' that 'Abdullah ibn Umarused to do ghusl for ihram before he entered ihram, and for enteringMakka, and for standing on the afternoon of 'Arafa. Translation Not Available

Book reference: Muwatta Imam Malik Book 20 Hadith 710
Web reference: Muwatta Imam Malik Book 20 Hadith 3