Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 3 years ago

Yes it is allowed to expose her feet only , not any part of her leg, if the men who can see her are her own Mahram like father, son, real brother etc. Muslim female must cover her feet even during performing Prayers if any non Mahram man can see her while she is praying.

It does need mentioning that covering the feet is part of compulsory Hijab in front of non Mahram man.