Don't worry, Katyusha. You'll grow into it, if post #2241356 is any indication.
If this is her natural height/growth then it is fine as it is. No need to push it. But hopefully you can add 10-20 extra cm in height (don't count on it)
Shall we go swim now? The sky is clear. The beach is great. It's good weather!NOTHING...It's time to show off my new swimsuit!What's the matter? Sorry I've kept you waiting, Katyusha. I wonder if this is a bit too sexy?