Sasha Pieterse is going to compete on Season 25 of Dancing with the Stars this fall.

Sasha is a singer and actress best known for her role on Pretty Little Liars, which wrapped its seventh and final season earlier this year on Freeform.

Sasha is partnered with pro dancer Gleb Savchenko on Dancing with the Stars this season, and viewers will soon find out if she's a triple threat -- a singer, actress, and a dancer.

Sasha began her acting and modeling career at age four when she met an agent in Los Angeles, CA, who quickly signed her to a contract.

Curious to learn more about this blonde beauty who will be taking the stage on ABC's hit reality dancing competition?

Below is a list of 5 facts Reality TV World has compiled about Sasha Pieterse:

- Sasha got her start on television in 2002 at age 6, starring in the WB comedy series Family Affair as Buffy.

- Sasha was only 12-years-old when she landed the role on Pretty Little Liars, so she was the youngest regular cast member on the series. 

- The Johannesburg native immigrated to America with her family for greater opportunities.

Sasha is the daughter of professional acrobatic dancers and became accustomed to the rigors of a career in entertainment early in life.

- Sasha's first major film role was as the Ice Princess in Robert Rodriguez's The Adventures of Shark Boy and Lava Girl 3D, when she worked alongside Taylor Lautner and George Lopez.

In 2007 she starred in The Air I Breathe, alongside Sarah Michelle Gellar.
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- Sasha has appeared in Good Luck Chuck, X-Men: First Class, and the film Inherent Vice, which also starred Reese Witherspoon, Joaquin Phoenix and Martin Short.