Mackenzie Frances Ziegler, born on June 4, 2004, in Pittsburgh, Pennsylvania, is an American singer, actress, internet personality, and former dancer who gained prominence as a child star on the reality television show Dance Moms. She is the younger sister of fellow dancer and actress Maddie Ziegler, and together they became household names through their appearances on the Lifetime series, where they showcased their remarkable dance skills and charismatic personalities.

Ziegler's rise to fame began in 2011 when she joined the cast of Dance Moms, which followed the competitive world of young dancers and their mothers. Over the course of six seasons, she captivated audiences with her talent and charm, becoming a fan favorite. After her time on the show, Ziegler transitioned successfully into a music career, releasing her debut studio album, Mack Z, in 2014. The album showcased her pop sensibilities and laid the groundwork for her future musical endeavors.

In 2018, Ziegler released her second studio album, Phases, which featured a collection of songs highlighting her growth as an artist. She has collaborated with Canadian singer Johnny Orlando, joining him on concert tours across North America and Europe. Their partnership has resulted in several popular singles, further establishing Ziegler's presence in the music industry. In 2024, she is set to release her third album, Biting My Tongue, and will join Mark Ambor on his Rockwood tour later that same year.

Beyond music, Ziegler has expanded her career into acting, appearing in various television shows. She had guest roles in the Nickelodeon sitcom Nicky, Ricky, Dicky & Dawn in both 2015 and 2017 and starred in the Brat TV series Total Eclipse from 2018 to 2020. In 2018, she also participated in Dancing with the Stars: Juniors, showcasing her dance skills in a competitive format, and starred as Dorothy in the holiday stage pantomime adaptation of The Wonderful Winter of Oz in Pasadena, California.

In addition to her television and music endeavors, Ziegler has made a name for herself as an influential figure on social media, boasting millions of followers across various platforms. By February 2022, she had amassed over 14 million followers on Instagram, 23 million on TikTok, 3 million subscribers on YouTube, and one million followers on Twitter, solidifying her status as a prominent internet personality.

Mackenzie Ziegler continues to evolve as an artist and entertainer, balancing her music career, acting projects, and social media presence while inspiring a new generation of fans with her creativity and talent.