festive background decoration for birthday with cake, letters saying one and blue balloons in studio, boy birthday cake smash firs

birthday year cake first party happy one sweet food celebration fun studio blue baby kid cute white smash decoration funny background adorable anniversary icing boy 1st portrait balloons holiday event childhood tasty cupcake dessert candle happiness caucasian nobody ceremony number streamer toddler colored age bright decor firstbirthday cakesmash accessories