Mars Needs Moms: 'Mars Needs Moms' was the biggest film flop of 2011

Actress Clare Grant and Actor Seth Green arrive on the red carpet for the premiere of their film "Mars Needs Moms 3D" in Hollywood, March 6, 2011. (CB.Mars Needs Moms” topped the list of the biggest flops of 2011. We'll let you know who else was on the list.Using Robert Zemeckis's consistently improving motion capture technique, this is a captivating and visually impressive kids' outing with particular credit going to Dan Fogler's largely improvised stranded

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