Sayyidah Aishah (may Allah be pleased with her) said that the Messenger of Allah (peace and blessings be upon him) used to kiss while fasting, and he (peace and blessings be upon him) was the one among you most in control of his desire.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8093