The 5 most retweeted tweets1. @justinbieber RIP Avalanna. i love you (223,771 retweets)
2. @obeyMJ R.I.P. Whitney Houston. Retweet for respect. (191,043 retweets)
3. @Harry_Styles We owe you everything. Thank you so much for this. Three VMAs!! YEAH .xx (125,379 retweets)
4. @BenSavage I'm going to be a father! Well, on TV at least. The "Boy Meets World" sequel is officially happening! (114,179 retweets)
5. @NiallOfficial Guys its been 2 years today since we were formed, its been incredible so far, its all down to you guys! Love you all soo much ! Thank you (103,772 retweets)
Celebs with biggest gains in followers
1. @Harry_Styles +6,721,195 (493.39%)
2. @Louis_Tomlinson +5,881,122 (587.79%)
3. @onedirection +6,741,263 (605.05%)
4. @Real_Liam_Payne: +6,067,452 (608.47%)
5. @NiallOfficial: +6,664,920 (712.74%)
1. Whitney Houston's death, Feb. 11: When the star passed away unexpectedly, the news drew more than 10 million tweets at a rate of 73,662 tweets per minute.
2. MTV Video Music Awards, Sept. 6: Fans cast 52 million-plus votes via Twitter for "Most Sharable Video," while the show itself generated 14.7 million tweets.
3. Primetime Emmy Awards, Sept. 23: Jimmy Kimmel set up a live joke during the awards broadcast, encouraging viewers and the audience to tweet, "OMG Tracy Morgan passed out on stage."
4. All about babies: The birth of Jay-Z and Beyonce's baby Blue Ivy in February and the announcement of Kate Middleton?s pregnancy in December drew more than 2 million tweets combined.
Most tweeted-about celebrities
Most popular television trends
Pretty Little Liars
106 & Park
Boy Meets World
Most popular movie trends
Think Like a Man
The Hunger Games
21 Jump Street
Dark Knight Rises
The Devil Inside
Most popular music trends