How do you end up twerking for the one and only Beyoncé?<br />Easy — be a strong, courageous, bad-ass with a killer backhand.<br />Tennis pro Serena Williams, who appeared alongside Bey in Lemonade track "Sorry," spoke with The New York Times on Sunday about how she landed the coveted role.<br />"I have known the director since I was like nine years old," Williams said.<br />"I know Beyoncé pretty well, so they were like, 'We would love for you to be in this particular song.<br />It's about strength and it's about courage and that's what we see you as.'"