Name: What’s the age difference between Venus and Serena Williams?
Uploaded: Wed Dec 09 2015 16:15:00 GMT+0000 (UTC)
Duration: 3 min 44 s
Description: Marking the upcoming release of Tina Fey and Amy Poehler’s new comedy “Sisters,” this week’s “Who Knew?” is all about sister trivia. So who better to help grapple with the questions than the Bella Twins, Nikki and Brie, who are professional wrestlers and stars of “Total Divas” as well as twin sisters?

Dec. 9, 201503:44