Dill Mill Gayye S15 E50 Riddhima Cries

Siddhant sees Riddhima holding a picture and crying. Shilpa is upset knowing that Armaan isn't interested in her and that he was in a relationship with Riddhima. Later, Siddhant asks Shilpa to help Armaan become more responsible. How will Shilpa help? Whose picture was Riddhima holding and crying?