The special two-hour results show on Wednesday, April 25 (8:00-10:00 PM ET live/PT tape-delayed) will be a star-studded evening featuring world-renowned artists and celebrities, including Gwen Stefani, Josh Groban, Pink, Michael Bubl???, Annie Lennox, Il Divo and popular Kazakhstan journalist Borat Sagdiyev (Sacha Baron Cohen) among many others who will take the AMERICAN IDOL stage.