David Archuleta and Jason Derulo to Join Rihanna for 'American Idol' Result Show - AceShowbiz (blog)

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David Archuleta and Jason Derulo to Join Rihanna for 'American Idol' Result Show AceShowbiz (blog) The runner-up of 'American Idol' season 7 and Jason Derulo are added as musical guests for the April 7 episode of 'American Idol'. David Archuleta and Jason ... Rihanna, David Archuleta, Jason Derulo To Perform On 'American Idol'MTV.com 'American Idol' mystery solved: David Archuleta, Rihanna to performZap2it.com (blog) David Archuleta Returning To American Idol For 'Imagine' PerformanceNeon Limelight Zimbio -Global Grind (blog) -Los Angeles Times (blog) all 9 news articles »