Happy Anniversary!
First, Just about any image editing software will let you add text to a photo. If you want something with a lot of functions and free, check out
www.getpaint.net.
Second, depending upon how and where you want to share the photos, if you have photos of her with an OCC fan sign, you can get access to the "Ladies of OCC" section. Details here:
https://forum.oneclickchicks.com/showthread.php?t=52269 I have never seen photos shared in that section reposted any place else.