Olympic snowboarder Shaun White bows out of his debut event before the start of the Sochi Games. Super Bowl MVP Malcolm Smith celebrates during the Seahawks’ victory parade. Singer Taio Cruz shares his obsession with the game “Flappy Bird,” and late-night talk show hosts talk about each other to comedian Jerry Seinfeld. Celebrities, athletes, musicians and other public figures are joining the conversation on Facebook. Check back here each week for a few standout posts.

This Week’s Facebook Buzz Rankings*
1. The Super Bowl
2. The death of Actor Phillip Seymour Hoffman
3. Groundhog Day and Punxsutawney Phil
4. Bill Nye and Ken Ham debate Creationism and Evolution
5. Facebook celebrates its 10th anniversary
6. Proposed boxing match between rapper DMX and George Zimmerman
7. Black History Month
8. “Flappy Bird” game app
9. The hashtag #purpleyourprofile for World Cancer Day
10. Boxer Floyd Mayweather loses over $10 million betting on the Denver Broncos

Team USA snowboarder Shaun White announcing to Facebook fans that he would bow out of his debut event at the 2014 Winter Olympics in Sochi, Russia. Opening Ceremonies are Friday.

Comedian Dane Cook sharing his Facebook Lookback video with fans.

Professional boxer Floyd Mayweather asking his Facebook fans to pick his next opponent.

Actor David Hasselhoff sharing this Throwback Thursday post from his “Knight Rider” days.

Former President George W. Bush posting this photo of Jay Leno holding up a portrait he painted for the outgoing “Tonight Show” host.

“Arrow” star Stephen Amell doing a live Q&A with Facebook fans.

Author and poet Maya Angelou wishing Facebook a happy 10th anniversary.

Super Bowl MVP Malcolm Smith thanking fans with this photo taken during the Seattle Seahawks victory parade on Wednesday.

The White House sharing video that President Obama shot on an iPad during a visit to a Maryland middle school.

Late-night talk show hosts Jay Leno and David Letterman reminiscing about one another in this video posted to Facebook by comedian Jerry Seinfeld.

The Backstreet Boys marking Facebook’s 10th anniversary.

Singer Taio Cruz revealing his prowess playing the game “Flappy Bird.”

Actress Susan Sarandon sharing this video on “Humans of New York.”

TV journalist and host Maria Bartiromo gearing up for her debut on Fox.

Rapper Young Jeezy posing with New York Giants wide receiver Victor Cruz.

By Alex Walker, Consumer Content Manager and Bree Nguyen, Strategic Partnerships Manager with research by Facebook Data Analyst Dustin Cable and extern Evan Bonnstetter

 *Facebook Buzz Rankings reflect the top topics being discussed on Facebook, Feb 2-5, in the United States. The rankings are based on both frequency and momentum: the Facebook conversations that not only got a lot of buzz during the week, but also saw a notable increase compared with the previous week.