Rainbow had special treats for their fans by releasing their new MV "Whoo" on Valentine's Day! �

They dropped that and two behind-the-scenes videos the other days. �If you wanted to see how it was being on the set of their colorful new MV, click play above! �You'll see the girls' cute antics as they chill backstage, monitor themselves, or play with dogs.

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Watch above! �Do you like the new release?