SPOILER ALERT: The season finale of Dancing with the Stars aired last night, and the full cast appeared live on Good Morning America today...with the best flash mob surprise ever for the new champ.Alfonso Ribeiro and dancing partner Witney Carson won that oh-so-coveted mirrorball trophy in one of the most memorable DWTS seasons yet.

Of course, we were all waiting for Ribeiro to bust out that famous 'Carlton dance' made famous from his days on The Fresh Prince of Bel-Air.

It soon became clear that he really is a talented dancer, and certainly deserved the win.

The best part, though, was this morning when the cast appeared on GMA. That familiar Tom Jones song started to play and suddenly the audience went full on Carlton flash mob!

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Of course Ribeiro joined in for a bit. So excellent!

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