As 2012 draws to a close, the J-14 editors reflect back on the best YouTube sensations of the year:
"Gangnam Style"
"Of course it went viral! I can't get the song and beat out of my head!" -- Photo Assistant Nicole Mazza
"Call Me Maybe" fan videos
"The video that Justin Bieber, Selena Gomez, and all of their friends made looked like so much fun!" -- Designer Tanya Swartz
Lennon & Maisy
"Sisters Lennon & Maisy Stella first caught my attention with their viral a cappella YouTube video, and now I love watching them star as Connie Britton's daughters on ABC's 'Nashville' every week!" -- Deputy Editor Ashley Spencer
Cimorelli
"I love their song 'Million Bucks!'" -- Assistant Editor Laura Knipping
Bad Lip Reading of Twilight
"It's hilarious! My favorite YouTube video of the year!" -- Photo Editor Danielle Kepler
Austin Mahone
"Austin is definitely the YouTube star of 2012! And I just can't get 'Say Somethin' out of my head!" -- Editorial Associate Katie Amey