Video Star App for iOS
'Video Star makes you and your friends the stars of awesome music videos. There's no other app like it!
Select from hundreds of built-in effects. Then add Power Packs to crank up the awesome. Create reversed "backwards" clips, act along with "clones" of yourself, move in slow-mo & fast forward, and make awesome stop motion and green screen effects. Pause at any time to set up a new scene. No matter how many scenes you shoot, the music stays in perfect sync.
• Select a song
• Start shooting
YouTube upload and sharing built right in. A great way to make Instagram Videos too!'
This is a free app