"Happy birthday to this beautiful human being @frankiejgrande ... and bringing so much joy everywhere you go!!!" she continued. Related: Ariana Grande's Brother Frankie and Her Boyfriend Ethan Slater ...

Ariana Grande took to social media to greet the Elphaba to her ... both of them wearing their character's iconic hat and crown for the musical film. "Happy birthday, my brilliant Cynthia," Ariana ...

She wrote on Instagram: "Happy birthday to this beautiful human being @frankiejgrande !!!!!!!!!!!!!!!!!!!!!. "I am so proud of you! thank you for being such an inextinguishable bright light and ...

"Happy birthday to this beautiful human being @ ... and bringing so much joy everywhere you go!!!" she continued. Ariana Grande/Instagram "You are sunshine personified and we are all so lucky ...

Ariana Grande is celebrating her brother Frankie ... to her brother on her Instagram Stories in honor of his 42nd birthday. "Happy birthday to this beautiful human being @frankiejgrande ...

Ariana Grande is celebrating her brother Frankie on his special day! On Friday, Jan. 24, the Wicked actress paid tribute to her brother on her Instagram Stories in honor of his 42nd birthday. "Happy ...