Hadith 4690
وَعَن البراءِ قَالَ: دَخَلْتُ مَعَ أَبِي بَكْرٍ رَضِيَ اللَّهُ عَنْهُمَا أولَ مَا قدمَ المدينةَ فَإِذا عَائِشَة مُضْطَجِعَة قد أصابتها حُمَّى فَأَتَاهَا أَبُو بَكْرٍ فَقَالَ: كَيْفَ أَنْتِ يَا بُنَيَّةُ؟ وَقَبَّلَ خَدَّهَا. رَوَاهُ أَبُو دَاوُدَ
Bara’ (may Allah be pleased with him) narrates: (Upon returning from a certain expedition) I was the first to arrive in Madinah along with Abu Bakr (may Allah be pleased with him), and his daughter Aisha (may Allah be pleased with her) was lying down and suffering from fever. Abu Bakr (may Allah be pleased with him) came to her and said: “Beloved daughter! How are you?” And he kissed her on the cheek. Its chain is authentic. Narrated by Abu Dawood.