It is narrated from Hazrat Umm Salamah (may Allah be pleased with her) that the Prophet (peace and blessings be upon him) used to kiss her while he was fasting.
Hadith Referenceمسند احمد / مسند النساء / 26707
Hadith Gradingحکم دارالسلام:حديث صحيح، وهذا إسناد اختلف فيه على بكير