140911 Red Velvet - Happiness @ M! Countdown

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Red Velvet - Happiness (Mnet M!COUNTDOWN 140911)

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[140911] Red Velvet - Happiness (Mnet M!COUNTDOWN)

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140911 Red Velvet - Happiness M! Countdown

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140911 Red Velvet - Happiness @ M! Countdown

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140911 Red Velvet @ The Celebrity September’14 Making Film BTS

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[MPD] 140911 Red Velvet - Encore Stage with Super Junior @ Mnet M! Countdown

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140911 Red Velvet & Super Junior (M Countdown ending stage)

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140911 Red Velvet & Super Junior (M Countdown ending stage)

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140911 Red Velvet - “Happiness” @ Mnet M! Countdown

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140911 Red Velvet & Super Junior @ M! Countdown Ending Stage