ABC Family’s presentation of “Mean Girls 2,” the made-for-TV sequel to the Lindsay Lohan-Amanda Seyfried-Rachel McAdams-Lizzy Caplan-Lacey Chabert-Tina Fey starrer of 2004, became the most-watched movie of the 2010-11 season in the 12-34 demo, as well as among females 12-34.

Airing at 8 p.m. Sunday, “MG2” drew 2.0 million viewers in the 12-34 demo — approximately 80 percent of them female. It was cable’s most-watched program from 8 to 10 p.m. in all key demos and No. 2 in overall viewers (3.4 million).

Meaghan Martin, Maiara Walsh, Jennifer Stone, Nicole Gale Anderson, Claire Holt and Diego Boneta toplined the cast. Melanie Mayron directed.