My sister cut my hair and I need to know how to grow my hair helpp

There's really nothing you can do to grow your hair out fast. Your hair will grow at whatever rate is normal for you.

You could get extensions, or a wig, but that's about it. It will take time to grow back your natural hair.

Keep it up for ages in a bun or something not a pony tale,it worked on my friend and when she took it down her hairs grown like 2inches or maybe more:')