Express your gratitude for your sister-in-law with our heartwarming birthday wishes. Copy and share.
No matter how dumb you are, we still love you because watching you doing stupid things is my favorite thing.
Happy birthday to my sweetest, cutest, dearest, funniest, daring and compassionate girl in my knowledge.
I want to wish you all the love and happiness you have given me over the years and hope that you will stop doing foolish stuff this year.
Birthday wishes to my favorite flirty Sister-in-law, as I love making fun of you and bear all this with elegance!
Let’s do something craziest this year on your birthday and be ready for more pranks from me this year.
I know life has been really tough on you last year but you have been facing every challenge with a smiling face. Keep smiling and making fun, Happy Birthday, Sister-in-law!
Happy Birthday to the Queen of the town whose presence intimidates every person.
Birthday wishes to my forever young Sister-in-law, May you get younger and healthier every year.
Happy Birthday to an incredible sister-in-law!
To my awesome sister-in-law. I hope that you have a wonderful birthday!
Happy Birthday to my sweetest and most decent sister-in-law. But I know deep down in your heart, you love to do crazy and naughty stuff, I know all this as you are married to my naughty brother.