Usher will stop by Universal Studios Hollywood Tuesday, October 3, at the Globe Fountain to tell "Extra's" Mario Lopez all about the Megastar app. 

The eight-time Grammy winner is an investor, creative director, headline celebrity mentor and judge for the worldโ€™s largest crowdsourced talent competition.

This innovative mobile competition, which officially launches today, will feature performers from around the world with a diverse array of talent competing to win $1 million.

Aspiring artists are invited to upload auditions to the Megastar app for a chance at the top prize.