Serena Williams, the greatest female tennis player of all time, is very excited for her niece who graduated from historically black Howard University on Saturday.

“I could not me more proud of my niece @justussb Today she graduated from Howard University. How amazing. I love you dearly #shoesonFleek.”

Howard grads and supporters flooded Serena’s comments with lots of love and congratulations after the tennis star posted a pic of her beautiful niece in her cap in gown at the black college on Instagram.

“Congratulations. Keep your mind and eyes focused on the everlasting prize,” one Instagram user said. “May God continue to Bless and keep you on your new journey in life.”

Congrats to Serena’s niece!