I wanted to get really fit. I wanted to lose some weight. So I've been doing Pilates and yoga, trying to lean out my body so I won't be bulky.

For the younger sisters, we always look up to the older sisters because they're always ahead of us and they always win.

I'm proud to have opened [two] schools in Africa and one in Jamaica [through the Serena Williams Fund and its partners]. I was given a lot. I was given two parents. That's already starting above a lot of kids. And then I was given the opportunity to play tennis and parents who supported that. I feel I can give back.

I got involved in the design process a long time ago. I've been working with their main designer [Berlei] for a while. It's been really fun all around.

I love "Phenomenal Woman." The experiences she had of being African American in the U.S. - that itself is a task. I appreciate the hardships Maya Angelou went through for our generation. I'm super influenced by the black people that paved the way for us.

My smile is my favorite part of my body. I think a smile can make your whole body. I want women to know that it's ok. That you can be whatever size you are and be beautiful inside and out.

I don't have anything to prove ever, ever in my life. If I have something to prove, what does that mean for everyone else? And I think everyone should have that attitude.