Sat., Dec. 31, 2011 2:17 PM PST
Is Kate Middleton pregnant? What was up with Beyoncé's shape-shifting baby bump? Does Courtney Stodden own a turtleneck?
Even we cannot answer every A-list puzzle of 2011. Some pieces of celebrity news simply defy all efforts at explanation.
So as part of our Best of 2011 extravaganza, we bring you the biggest, most mysterious unanswered questions of the year!
GET THE LIST: Top 10 Celebrity Mysteries of 2011
A Fan Favorite Dies on Once Upon a Time!
Lauren Silverman Celebrates Baby Shower at Simon Cowell's Home
Jennifer Lawrence Stuns in Blue at American Hustle Junket
Lee Brice Welcomes Baby Boy
The Amazing Race Season 23 Finale: And the Winner Is...
Gorgeous Pics of the Revenge Wedding—Prepare to Cry