Free images results:

Happy Birthday pictures, stock photos and public domain images


Party Royalty Free Stock Images
Author: Dapixstudio
Banner tag Royalty Free Stock Photo
Author: Valli
Party Stock Photo
Author: Orla
My gift. Stock Photography
Author: Yurico
Balloons Stock Image
Author: Baung
Gift Stock Image
Author: Jasonjung
Balloon Stock Photography
Author: Wizzard

Also, here are some commercial RF-licensed images that match your search criteria:  

Explore more commercial options: More Happy Birthday Stock Illustrations & Vectors | More Happy Birthday Stock Video Footage