A girl bestie is the best thing one can ever get. She is likely to be your sister, mother as well as a befriend.
She is the one who can be really loyal and totally dependable. You can rely on her on anything and everything. She will always have your back, no matter what.
She is someone who will listen to you calmly and try to find solution to all your problems. She is someone who will fight with everyone for you yet end up losing by you.
A girl bestie is someone who will stay with you forever and keep all her promises. She will never turn her back on you and celebrate your success as well as be a shoulder during your tough times.