Should I speak to her and be best friends again or should I walk away?

[Joseph]

So me and this girl are best friends we was so close tell me falling out with each other. We hugged I gave her gifts she all ways comes and speaks to me. But we falling out over a agreement on Facebook I sure her following me too tescos from college she looked at me with sadness she looked really angry. She is with her friends at the moment I really want to fix things with her but lately her girl friend gets in the way of are friendship I just want too speak to her she's bisexual. Me and her was best friends and I need her back should I go see her and speak to her??