Watch Serena Williams pick up her 23rd Grand Slam title at the 2017 Australian Open
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017
Photos: Serena beats sis Venus to win Australian Open 2017