Well, she's got a heart on her head... but someone already suggested Aphrodite...
How about picking a name that means love in a different language?
How about "Amore"
"When the moon hits your eye like a big pizza pie, that's Amore!"
LOL.
Or something "angelic" like "Seraph" or "Cherub" or "Arkangel".
I dunno... those probably sound hokey! LOL.
She's pretty! or He's handsome!
Congrats!