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
Courtney Tweets Support for LeAnn After Brandi Drama
Exclusive! Brand Supports Yolanda, Vents About LeAnn
Exclusive! Brad Goreski Picks for Men's Summer Fashion
Exclusive! Housewives' Yolanda Becomes a U.S. Citizen
Katherine Webb & 5 More Celebs with Extreme Diets
Jessica Alba Shuts It Down in Strapless Zuhair Murad Dress