CBB15 was great by far... mostly because of Perez, Katie H, but the softer side of the cast was great as well... actually, one of the best casts (for me anyway)... I think.
Farrah was a walking fail grenade and I really disliked watching scenes with her in them with a passion... I would fast-forward through points because I found her behavior so negative... she was not herself at all on there, clearly portraying some sort of image of a badass, when all she really desired at the end of the day was fame fame fame... I had no pity for her during her faux appearances on Couple's Therapy as well... and saw her in Teen Mom, and she was pretty terrible on there as well... just all around negative energy.
Stephanie was entertaining, albeit a bit deillusional, but also endearing... in a Lindsay Lohan I'm a child star, homewrecker, narcissistic trainwreck sort of way...

though I am now sad that that her and Jeremy's toxic relationship lead to a child who will unfortunately probably inherit both their lovely characteristics and will feel bereft of love when their both parents use them as little shiny objects to receive affection/create animosity between one another...