Serena Williams on her cameo in Beyonce's 'Lemonade': 'I got really sore from dancing"

Serena Williams had quite the dancing cameo in Beyonce's visual album Lemonade.

Williams, who danced alongside the singer in her music video for "Sorry," said she has known Beyonce "for a long time." She had to keep her cameo and the album a secret for months.

"If you tell me, 'Don't say anything,' I won't say anything," the tennis champion told WSJ Magazine in her cover story interview. Her close friend Caroline Wozniacki said Williams "really kept it a secret" and that she didn't know about the video until she saw it.

Williams and her sister Venus host a competitive event called the Williams Invitation every year, and one of the competitions is dance routines. Even so, dance lover Williams said that her Lemonade cameo was still a workout.

"I got really sore from dancing," Williams told the publication.

Read More: The Notable Cameos in Beyonce's 'Lemonade' Visual Album

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