Nerd`s friend: you know the cool girl who is the leader of the cool gang!! Nerd: yes Nerd`s friend: she that has the coolest parties Nerd:yes Nerd`s friend: do you know who she is? Nerd:she is my sister!! Katrina and Marian Smith are twins but they are very different. Katrina is the cool on and Marian is the not that cool. #twins #sisters #girls #university