Entertainment buzz: Facebook's top 10 moments of the week

It's a busy month for awards shows as the Academy of Country Music Awards took place last weekend and this Sunday will see movie stars come out for the annual MTV Movie Awards in Los Angeles.

Sad news also hit the entertainment world this week with the deaths of legendary actor Mickey Rooney and comic John Pinnette.

Facebook has tallied the top 10 buzziest stories in entertainment this week, and all of those topics made the most-talked-about list. What had you talking? See what you missed in this exclusive list on CBSNews.com.

1. Fans pick their loyalties for new favorite character category at upcoming MTV Movie Awards

Conan O'Brien will host the 2014 MTV Movie Awards from Los Angeles starting at 9 p.m. ET this Sunday, where special honors will be given to Channing Tatum and Mark Wahlberg at the ceremony.

The show, which helps kick off the blockbuster summer movie-going season, will see plenty of awards handed out, including the favorite character category. Which rebel gets your vote?

Post by MTV.

2. John Pinette, stand-up comedian, dies at 50

Actor and comic John Pinette died last Saturday of natural causes at age 50. The stand-up comedian portrayed a hapless carjacking victim in the final episode of "Seinfeld" and appeared in movies including "The Punisher." He also did a number stand-up TV specials.

Many celebrities paid their respects to the late star:

3. Stars attend the 49th Academy of Country Music Awards

Country music stars took over Las Vegas Sunday for the 49th annual Academy of Country Music Awards. There was no denying it -- the audience at the 49th Academy of Country Music Awards seemed thrilled when George Strait won the night's biggest prize: the fan-voted entertainer of the year honor.

Strait was in good company. Lambert and Keith Urban were the top ACM winners, snagging three awards each. The evening saw a slew of performers take the stage, including Stevie Nicks, Florida Georgia Line, Blake Shelton, Luke Bryan, Darius Rucker and more.

4. Legendary actor Mickey Rooney dies at 93 after 80-year career

Legendary actor Mickey Rooney died Sunday after an 80-plus year career. He was 93. His rep said he was in very good spirits at the time and was gearing up to film a scene for the next "Night at the Museum" movie installment.

His death took place after he started having trouble breathing during an afternoon nap.

Stars came out in droves to remember Rooney, who had made a mark on Hollywood:

5. WWE wrestler Brock Lesnar defeats The Undertaker at WrestleMania, ending 21-0 winning streak

WWE fans were in for a surprise Sunday night when Brock Lesnar ended The Undertaker's legendary streak of 21-0 at WrestleMania. Lestner managed reversed a Tombstone Piledriver during his victory at the New Orleans' Superdome.

6. Season 4 of HBO's "Game of Thrones" premieres

The fourth season of"Game of Thrones" premiered Sunday night -- raking in record ratings and also crashing HBO Go. Things got off to a pretty dramatic start -- and viewers are in for another dramatic episode when episode 2 airs on Sunday.

The show has already been picked up for fifth and sixth seasons.

Fans far and wide tuned in for Sunday's episode:

7. Stephen Colbert named new host of CBS' "Late Show"

CBS didn't waste too much time finding a new host for the "Late Show." Exactly a week after David Letterman announced his plans to retire, his successor has been named.

Stephen Colbert, the host, writer and executive producer of "The Colbert Report," will replace Letterman in 2015. In case you're wondering, he won't play his Comedy Central character on the late-night show.

Colbert's premiere date will be revealed after Letterman figures out a timetable for his final episodes. According to CBS, "Late Show" creative elements, as well as the producers and the location for the Colbert-hosted "Late Show" will be announced at a later date.

8. Univision's "Nuestra Belleza Latina" beauty competition narrows to seven contestants

Viewers continue to tune in to Univision's "Nuestra Belleza Latina" beauty competition as the contestant pool narrows down ever further.

Gabriela Alvarez was eliminated from the competition, leaving seven contenders left. Who are you behind?

9. "Captain America: The Winter Soldier" big at the box office

"Captain America: The Winter Soldier" set a record this past weekend for the biggest domestic April release ever. The Disney Marvel sequel opened with more than $96 million, beating out 2011's "Fast Five," which debuted with $86.2 million.

"The Winter Soldier" stars Chris Evans as the shield-wielding superhero and Scarlett Johansson as Black Widow.

The movie is expected to do well again this weekend, but will face some competition from the new animated flick, "Rio 2."

10. Stevie Nicks appears on NBC's "The Tonight Show Starring Jimmy Fallon"

Did you do a double take for a second while watching "The Tonight Show" on Wednesday?

Late-night host Jimmy Fallon stepped into the role of Tom Petty for a performance of Stevie Nicks' "Stop Draggin' My Heart Around."

The two recreated the 1981 music video that starred Petty and Nicks. Wearing a blond wig and Petty-esque attire, Fallon pulled off a pretty darn good rendition of the hit duet.

*Buzz rankings reflect the top entertainment topics being discussed on Facebook, April 6 - April 10, in the United States. 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.

Tell us: What had you buzzing this week?