'Dance Moms' star Mackenzie Ziegler is now 13 -- and starring in her first big ad campaign for GE

Little Mackenzie from "Dance Moms" isn't so little anymore!

Mackenzie Ziegler was only six years old when she and her older sister, Maddie, shot to fame on Lifetime's hit series in 2011. The sisters weren't just fan favorites: Their fellow dancers often suspected now-ex instructor Abby Lee Miller of favoring the Zieglers, especially Maddie, for featured performance spots. (Miller has since been sentenced to prison for financial fraud.)

While 14-year-old Maddie made an earlier Hollywood entrance, starring in billion-view music videos for Sia and modeling for major designers like Betsey Johnson and Ralph Lauren, her sister isn't far behind! Mackenzie, who's also made moves in modeling and singing, snagged her first big solo ad campaign with GE.

Below, take a look at Mackenzie through the years in the slideshow -- and watch her electric performance!

16 PHOTOS
Mackenzie Ziegler through the years
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Mackenzie Ziegler through the years
LOS ANGELES, CA - JULY 19: Television personality and dancer Mackenzie Ziegler arrives at the 102.7 KIIS-FM Gifting Lounge for TEEN CHOICE AWARDS at W Los Angeles - Westwood on July 19, 2012 in Los Angeles, California. (Photo by Amanda Edwards/WireImage)
NEW YORK, NY - SEPTEMBER 29: Television personalities Mackenzie Ziegler (L) and Maddie Ziegler attend the 'Dance Moms' meet and greet benefiting Starlight Children's Foundation at Stoopher & Boots on September 29, 2012 in New York City. (Photo by Mike Coppola/Getty Images)
LOS ANGELES, CA - AUGUST 10: Dancers Mackenzie Ziegler and Maddie Ziegler attend FOX's 2014 Teen Choice Awards at The Shrine Auditorium on August 10, 2014 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
LOS ANGELES, CA - MAY 08: Dancers Maddie Ziegler (R) and Mackenzie Ziegler arrive at the Los Angeles premiere of 'Pitch Perfect 2' at Nokia Theatre L.A. Live on May 8, 2015 in Los Angeles, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)
SANTA MONICA, CA - MAY 30: Dancer Mackenzie Ziegler attends the Abby Lee Dance Company LA's VIP Grand Opening at Abby Lee Dance Company LA on May 30, 2015 in Santa Monica, California. (Photo by Vincent Sandoval/WireImage)
SANTA MONICA, CA - MAY 30: Dancers Maddie Ziegler and Mackenzie Ziegler attend the Abby Lee Dance Company LA's VIP Grand Opening at Abby Lee Dance Company LA on May 30, 2015 in Santa Monica, California. (Photo by Michael Tullberg/Getty Images)
WEST HOLLYWOOD, CA - JULY 28: Mackenzie Ziegler and Maddie Ziegler arrives at the Tiger Beat's Pre-Party Around FOX's Teen Choice Awards at HYDE Sunset: Kitchen + Cocktails on July 28, 2016 in West Hollywood, California. (Photo by Steve Granitz/WireImage)
INGLEWOOD, CA - JULY 31: TV personality Mackenzie Ziegler attends Teen Choice Awards 2016 at The Forum on July 31, 2016 in Inglewood, California. (Photo by Kevin Mazur/Fox/Getty Images for Fox)
INGLEWOOD, CA - JULY 31: Mackenzie Ziegler arrives at the Teen Choice Awards 2016 at The Forum on July 31, 2016 in Inglewood, California. (Photo by Steve Granitz/WireImage)
HOLLYWOOD, CA - AUGUST 17: Maddie Ziegler and Mackenzie Ziegler attend the 2016 Industry Dance Awards and Cancer Benefit Show on August 17, 2016 in Hollywood, California. (Photo by JB Lacroix/WireImage)
HOLLYWOOD, CA - AUGUST 17: Dancer/tv personality Mackenzie Ziegler arrives at the 2016 Industry Dance Awards and Cancer Benefit Show at Avalon on August 17, 2016 in Hollywood, California. (Photo by Emma McIntyre/Getty Images)
happy 13 year old :)
happy girl :)
Miss one of my shows? You can now get all of my merch, including an autographed photo! #linkinbio #MonstersAKAHaters
all love❤ #repost
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