It was a big week for Jimmy Fallon, who kicked off his hosting tenure on "The Tonight Show," and for movie fans, too -- they were treated to the first full-length trailer for Marvel's "Guardians of the Galaxy."
And that's not all people were talking about in the world of entertainment. Music fans mourned the death of Devo guitarist Bob Casale, TV watchers weighed in on "The Walking Dead" and there was talk about a clown shortage -- which could be great or horrible news, depending on how you feel about clowns.
Facebook has tallied the top 10 buzziest stories in entertainment this week, and all of those topics made the most-talked-about list. Find out what else made the cut:
1. Jimmy Fallon starts as host of "The Tonight Show"
"All we can do is try to make the best show that we can and make people happy," Fallon said before his debut. "And we will. Here's to the first of many. Fun."
2. "Guardians of the Galaxy" trailer released
3. Devo guitarist Bob Casale dies at 61
The guitarist for Devo, best known for the 1980 hit "Whip It," died of heart failure on Monday, his brother and band member Gerald Casale said. He posted a statement paying tribute to his younger brother on the band's Facebook page:
4. No laughing matter: Clowns are on the decline
Bad news for Bozo: The largest U.S. trade group for clowns, the World Clown Association, told the New York Daily News that its membership has plunged by almost one-third, to 2,500 members, down from 3,500 a decade ago.
5. Talk about rapper Lil Boosie
A story made the rounds this week claiming that rapper Lil Boosie had been released from prison, only to be arrested again 30 minutes later for allegedly owing $80,000 in child support payments. It made waves on social media, but the report was a hoax -- it came from a satire website and was shared on Twitter by a fake account with TMZ's likeness.
6. "Bates Motel" social sweepstakes
Love the creepy A&E drama about a young Norman Bates and his mother, Norma? The second season starts March 3, and the series is giving fans a chance to win a trip to Comic-Con if they send a postcard from the Bates Motel.
7. U2's appearance on "The Tonight Show"
The group stopped by Fallon's first "Tonight Show" episode and performed an acoustic version of their Oscar-nominated song, "Ordinary Love."
8. "The Walking Dead" and character Baby Judith
AMC's zombie drama aired an action-packed episode on Sunday night, and fans of the show finally found out the fate of little Judith, who had gone missing at the end of the midseason finale. It turns out (spoiler alert!) that while Rick and Carl thought she was dead, she is alive and well.
9. Buzz building about the Oscars
Are you ready for the Academy Awards? Excited to see what stars wear on the red carpet? Making predictions about the winners? It's all happening on Sunday, March 2, with Ellen DeGeneres hosting the live telecast on ABC. Click here to refresh your memory on all the nominees, and get a sneak peek at the Oscar envelopes below:
10. "American Idol" begins live shows
"Idol" (and its revamped judging panel) kicked off the season's live episodes this week, but only 13 hopefuls survived the results episode. Watch below to see who made the cut.
*Buzz rankings reflect the top entertainment topics being discussed on Facebook, Feb 16-19, 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 were you buzzing about this week?