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Tanner Stransky
October 12, 2012 AT 03:00 PM EDT

VH1’s long-running docu-series Behind the Music is on a roll of juicy reveals: So far this season, Train gave us the story behind hit ‘Drops of Jupiter’; Ne-Yo detailed his relationship with the late Michael Jackson; Carrie Underwood took us inside her marriage to hockey star Mike Fisher; and last week, former ‘X Factor’ judge Nicole Scherzinger revealed her battle with bulimia.

Now, it’s Gym Class Heroes frontman Travie McCoy’s turn for the Behind the Music treatment. Among other things in the episode which airs this Sunday at 9 p.m. on VH1, the rapper reveals how he kicked his drug habit, as seen here in this exclusive preview clip below.

Catch the full episode this Sunday, but for now get a glimpse of what’s to come here:

Tanner on Twitter: @EWTanStransky

Read more:

Former ‘X Factor’ judge Nicole Scherzinger reveals eating disorder: ‘Bulimia was my addiction’ — EXCLUSIVE VIDEO

Carrie Underwood on VH1′s ‘Behind the Music’: Inside the country star’s marriage to Mike Fisher — EXCLUSIVE VIDEO

Ne-Yo on VH1′s ‘Behind the Music’: Remembering his interactions with Michael Jackson — EXCLUSIVE VIDEO

Train on VH1′s ‘Behind the Music’: The story behind hit ‘Drops of Jupiter’ — EXCLUSIVE VIDEO

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