15 Step-Sibling Instagram Captions for Your Family Photos

"Step-siblings by chance. Friends by choice."
Step-Sibling Instagram Captions
Want to welcome your new step-sibling to the family, but not quite sure how?
A thoughtful Instagram post dedicated to them is definitely the way to go.
Once you have the image picked out, scroll below for some kind and caring step-sibling captions that'll best compliment your post!
•"Step-siblings by chance. Friends by choice." -Unknown
•"We aren't step or half, we're simply family." -Unknown
•"I smile because you're a part of my family." -Unknown
•"Two families blended perfectly together." -Unknown
•"You wouldn't even know our family is blended." -Unknown
Step-Sibling Captions
•"Our puzzles pieces fit together to make a whole family." -Unknown
•"You're the sibling I never knew I needed." -Unknown
•"World's most awesome step-sibling." -Unknown
•"The only steps in this house are the ones going upstairs." -Unknown
•"Family is family." -Unknown
•"Don't mess with my step-sibling." -Unknown
•"Did we just become best friends?" -Step Brothers
•"On this day, two families became one." -Unknown
•"Together we make a family." -Unknown
•"Family is not defined by your genes." -Unknown