Kindly refer to the following link(s):
Can women register on matrimonial websites & Upload their photos?
Posting pictures on social media (Women, Men, Children) - Assim al hakeem
Is it permissible for a woman to take selfies & keep them for herself in her phone?
Taking photos in mixed events, Men with no jealousy when their women decked up in front of other men
Attending weddings where someone could my take picture?
Also see: Can we keep pics on phone or computer without printing?