I wouldn't do a love spell per se, not because i think love spells are wrong (quite the contrary) but that she'd be better served by a healing spell of sorts to help her develop a strong sense of self-worth, something to help her grow into her power. You can hold a vision of her loved and appreciated by herself, radiating wellness and peace. In this way it's more of a self-blessing spell for her.
Here's a lovely spell i recommend to people all the time. You can adapt it as you see fit if you think it applies: