What3veryouwish
"The sky flickered, like an old TV, and a hundred golden stars blinked into view. Then, as if coming into focus, more strange things began to appear: great beasts of firecracker light roamed the sky, little rocket ships zoomed above, and a huge swarm of tiny stars weaved trails of indigo through her patch of sky..."
When Liz is six years old, she gets mixed up with some aliens hiding out in her neighborhood park. As she grows up, the extraterrestrials continue to appear in her life in sporadic snippets.