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00:58 — The 'stars' are enlisted by Rodney Jerkins to team up and write original songs.
01:22 — David shines as he serenades the world with his song.
01:18 — ChristopherJohn belts out some of Stevie's classic lyrics while strumming the acoustic.
02:21 — Todd offers Lauriana advice on how to keep her cool while performing for Diddy.
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Stars Dan Stevens and Rachel Keller share what to expect