The Messenger of Allah ﷺ used to kiss me while he was fasting and I was fasting too.
حدثنا محمد بن كثير أخبرنا سفيان عن سعد بن إبراهيم عن طلحة بن عبد الله يعني ابن عثمان القرشي
كان رسول الله ﷺ يقبلني وهو صائم وأنا صائمة
Grading, its chain of transmission is daif. Ahmad reported it, 6/179, from the hadith of Sufyan Thawri, and Nasai in al-Kubra, hadith 3050, from the hadith of Saad bin Ibrahim, through the same chain. Thawri used the ambiguous form "an" in transmitting it, but the hadith of Nasai in al-Kubra, 3074 and 3075, suffices in its place.