All the best ways to wish your first best friend a happy birthday.

Two children wearing party hats smile at a cake with lit candles, embracing each other in a brightly lit living room.

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Text reads, “Happy birthday to my incredible sister!” Centered on a white rectangle with a pastel polka dot pattern on a light teal background.

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Text on a green background with colorful candles reads: “You make the world a better place. Have a fantastic birthday!"

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A polka-dot background frames text saying, “May your day be filled with love, laughter, and endless cake!” with “Southern Living” at the bottom.

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Text on a green background with candles says, “Today’s forecast: 100% chance of birthday fun!”

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Text on a polka-dot background: “You’re not just my sister, you’re my friend. Have a fantastic birthday!"

Credit:Southern Living

Text on a green background with colorful candles reads: “Don’t worry, you’re not old. You’re just well-seasoned."

Credit:Southern Living