YoonA greets her Sugar sister, Sunny, a happy birthday!
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9SscxM0IKQh-v9vcEgSbl_98Rn6qfDkXoTKDI07UIC4Xc-dEwNrP9wkRofgtVjsyqye6yzoww1IZKKTttw6KqHmqm6O50HRya6xU00pSx_czNt1q15CViZMDcw8_mjTGoLEapzthsBQ/s400/snsd+yoona+sunny.jpg)
It's SNSD YoonA's turn to greet Sunny a happy birthday!
Here's their adorable photo where she expressed, "Happy birthday Sunny unnie♥ sugar sisters"~
Curious about 'Sugar Sisters'? That's because Sunny and YoonA performed Maroon 5's 'Sugar' at their Phantasia concerts.
Happy Birthday Sunny!
Credits:
YoonA's Instagram
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