"The Trending 20" is a regular series where we round up interesting, informative and hilarious tweets from worldwide Twitter trending topics, fueled by young tweeters on the interwebs. Have a tweet to submit? Give us a shout @HuffPostTeen.
Between the release of Justin's new album "Believe," his world tour, Jelena, and the upcoming acoustic album, it's been an eventful year to be a Belieber. On Christmas Eve, JB fans worldwide took to Twitter to share their favorite 2012 Bieber moments, from special concerts to the Oprah interview to his infamous pet hamster. Check out our top 20 in the slideshow below and share your own with us @huffpostteen!