Alexandria Ziegler-she goes by Lexi-is Maddie and MacKenzie Zieglers older sister. Lexi has always been overshadowed by her younger sisters (especially since the show 'Dance Moms' started). As she starts her senior year of high school, she will go through hard times and great memories. But what happens when her mom & step father find out she hangs with the Hylands? Will her friendship fizzle out? Or will she resent her parents? Does she ever get along will her sisters? Read to find out.