ABC Family's hit drama The Fostersmight feel heavy at times, but off-screen, it's a different story.

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We got stars Maia Mitchell, Teri Polo and Sherri Saum to play our game What's Shakin'?, and between Polo's crazy voices, Mitchell making us feel old and Saum's interesting karaoke song choice, we pretty much couldn't stop laughing. Check it out above.

The Fosters airs on Mondays at 8/7c on ABC Family.