THR's 'Idol Hangover: Episode 4' With 'American Idol's Pia Toscano, Erika Van Pelt, Michael Orland and Radio Disney's Jake Whetter (Video)

For the first time on American Idol, fashion mogul Tommy Hilfiger mentored the Top 10 finalists- sharing his personal guidance on the ingredients to stardom.

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During The Hollywood Reporter's latest "Idol Hangover," hosts Shirley Halperin and Joseph Kapsch explored his style critiques and addressed whether or not Erika Van Pelt's makeover played a part in her getting the boot last week.

VIDEO: Top 13 Finalist Red Carpet Interviews 

Someone who made her own fashion statements on Idol last year and also left in the number 9 spot, Pia Toscano, weighed in with her own style advice. “I think it’s okay to take risks,” the singer said.

STORY: Stevie Nicks to Mentor Top 9

The Season 10 finalist disclosed details on her new album and working with Harvey Mason Jr. She also revealed her close encounter with Whitney Houston just days before her passing.

Radio Disney host Jake Whetter stopped by to talk about Billy Joel week and his job as the “Ryan Seacrest” of the Disney world.

STORY: 'American Idol' Castoff Erika Van Pelt Slams Jennifer Lopez's Criticism

Idol’s longtime Musical Director Michael Orland revealed his love for Pia and shared why he knew she had star quality from the beginning. 

Also, 'Idol Hangover' correspondent Didi Benami interviewed Erika after she was eliminated in a somewhat shocking results show.