Made on RaveDJ at https://rave.dj/i_8mWDUVEKUkVg
Make your own Mix/Mashup at https://rave.dj

Original videos
I Gotta Feeling - https://www.youtube.com/watch?v=0rRlaNqU_jQ
Katy Perry - Last Friday Night (T.G.I.F.) - https://www.youtube.com/watch?v=KlyXNRrsk4A