I’m so proud of you for______

You are so strong/brave/full of courage

You are valuable/valued

You don’t need to be anything other than who you are

You are doing so well 

I love you ____________

The world is brighter because you are in it 

Your growth is beautiful/valued

You are beautiful

I acknowledge everything you’ve done to________

 

Or use

 

May I/you know how valued you are