Help me(18M) should I text her(18F)😭?????

tl;dr So here's the thing a girl asked me out during 11th grade and I haven't responded anything and her friends convinced her that I was already in a relationship (which wasn't true at all).and a few days ago I came across her insta and I feel like I missed her should actually text her?

If u think I should what should start with? And ik her frnds whom can help me to get in touch with her

Help me asap im double minded rn.i fear that she'd reject me and laugh abt it or even worse tell her frnds abt it😭