Thank you @SerenaWilliams for the shout out on @serena as one of the legendary people in your life, it's been an incredible journey and I can't wait for more. Now it's my turn (and my first Instagram post) and I'm tagging a few legends in my life: My mom (who's not on Instagram, yet) @MindyGrossman @GigiHadid @BellaHadid. Who are yours? Be sure to tag @serena.