It’s not quite 2018 yet stateside, but our #USTennis stars are already celebrating Down Under! Send a 🎉 to wish Frances Tiafoe and @michaelmmoh a Happy New Year! (📸: @bigfoe1998) #usta #ustennis #francestiafoe #michaelmmoh #brisbanetennis #happynewyear #atp #tennis #instatennis