Uploaded September 2026 | Updated September 2026, 2 hours ago

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Watch all the full episodes here: youtube.com/playlist?list=PLTQO3nSNrtfg

TLC breaks down their humble beginnings.

Go beyond the hits with Once In A Lifetime Sessions. Through exclusive performances, personal stories and rare studio access, music's biggest artists share the moments that defined their journeys, offering fans an unforgettable look behind the curtain.