'America's' Got Talent' finale: star-studded affair

Ne-Yo, Green Day, Justin Bieber and Big Sean were among the acts who performed on the season finale of 'America's' Got Talent' on Thursday. The episode marked judge Sharon Osbourne's last appearance on the series after announcing her decision to quit earlier this year.

Olate Dogs captured America's hearts to become the Season 7 champions. Check out their incredible performance from the finals:

Check out Justin Bieber's performance:

Photo Copyright NBC Universal

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