Happy Mamma's Day! Watch Judy McLane & the Cast of Mamma Mia! Dance & Jive at 30 Rock by Ryan McPhee

Friday night and the clouds are low...but that's not stopping them! The Today Show concluded this week’s “Best of Broadway” series with a bouncy and spandex-laden performance from the cast of Mamma Mia!. The colorful crew pumped up 30 Rock crowds with their rendition of the title song and “Dancing Queen.” What better way to celebrate Mother’s Day than with the spunky Donna Sher…

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