That's exciting! Here’s a compliment that’s heartfelt and genuine:
"Hey [Her Name], I just had to say—your smile is absolutely captivating, and your energy shines through your photos. You have this incredible beauty that lights up the room; it’s impossible not to be drawn in! What’s something that makes you smile as much as your photos make me? 😊"
Customize it to fit her personality and your style! Good luck!