Hip Hop or Rock? Indoor or Outdoor Concerts? What is a Keytar? We caught up with JoJo Siwa, Liam Payne, Flo Rida, Rielle Downs, Breanna Yde, Kel Mitchell, Benjamin Flores Jr, Ella Anderson, Daniella Perkins, and Owen Joyner to ask them to choose their favorites in a SlimeFest themed edition of This or That! Find out their answers and play along in the comments below and be sure to catch more of your favorite shows on Nick! #Nick #Nickelodeon #SlimeFest #JoJoSiwa #LiamPayne #NickStarsIRL Subscribe if you love Nickelodeon and want to see more: at.nick.com/Subscribe Nickelodeon is the number-one brand for kids with original cartoons, sitcoms, movies, award shows, products, and more! Here on our Nickelodeon YouTube channel you’ll find the shows and animated series you know and love like SpongeBob SquarePants, The Loud House, Teenage Mutant Ninja Turtles, Henry Danger, ALVINNN!!! and The Chipmunks, and more! You’ll also get exclusive access to our digital original series like The...