Katy Perry and Jodi DiPiazza Duet PLUS Today’s Top 5 YouTube Videos

It’s FRIDAY and special guest host Rebecca Black leads the Trending Now Top 5 Countdown for October 19, 2012, where we gather the hottest and most outrageous MUST-SEE YouTube videos hitting the web today and send them all straight to your screen. It’s like watching the best of YouTube — only faster!

From Tom Hanks dropping the F-bomb on live TV to Nicki Minaj’s new music video with Cassie, we have you covered right here on What’s Trending.

For daily YouTube Trends and celebrity interviews, SUBSCRIBE and watch us every weekday at noon PT/3 pm ET on YouTube!

#5: Honest Movie Trailers – Paranormal Activity
#4: Young Rival – Two Reasons
#3: Nicki Minaj and Cassie – The Boys
#2: Tom Hanks F-Bomb
#1: Katy Perry, Jodi DiPiazza Sing at Night of Too Many Stars
One More Thing!: Star Wars Flash Mob in Germany

Subscribe to guest host Rebecca Black on YouTube and follow her on Twitter.
Subscribe to co-host Joey Graceffa on YouTube and follow him on Twitter.