James Devaney/FilmMagic
People Staff
May 17, 2013 01:40 PM

Mary-Kate and Ashley Olsen are not identical twins.

They’re fraternal twins – but you wouldn’t know that based on Thursday night’s New York Knicks vs. Indiana Pacers game at New York’s Madison Square Garden.

The sisters showed serious solidarity in the stands, with cheering moves so synchronized, ‘N Sync of the late ’90s would have been jealous.

Their show of support helped out the home team: The New York Knicks ended up beating the Indiana Pacers 85-75, keeping the Knicks alive during the NBA Eastern Conference Semifinals.

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