How to look girlier

You look cute. ^-^ There are a bunch of videos on learning how to look more feminine for mtf trans people, that you might find helpful. Check out Stef Sanjati.

You are beautiful

I don't think ya can

I think it's your bone structure

You have nice facial features but they are obviously boyish

I'd say try trimming the eyebrows a bit and growing out your hair.