Sasha Pieterse could not help but feel sorry for herself as she recalled her painful experience with unintentional weight gain. In the latest "Dancing with the Stars" episode, the actress confessed how she dealt with insults after gaining some pounds.

Actress explains reason for sudden weight gain

The "Pretty Little Liars" star confessed she has gained about 70 pounds in just two years which was a struggle for her. But more than her health issues, Sasha Pieterse was more affected by how the public reacted to her sudden weight gain.

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Some of them accused her of being pregnant, while others called her fat and criticized her physical appearance.

The 21-year-old actress considered that challenge "one of the hardest things" she has been through until she was recently diagnosed with Polycystic Ovary Syndrome that caused her weight gain.

The singer-actress, however, revealed that she has lost 15 pounds since she joined "Dancing with the Stars" with Gleb Savchenko.

On top of that, Sasha Pieterse is feeling like herself again after she decided to take part in the dance competition. "It's not an easy road, but being able to focus on getting myself healthy again and the fact that I'm seeing results now and getting better is all I can ask for," she explained.

For the opening episode of "Dancing With The Stars" last week, Sasha Pieterse and Gleb Savchenko performed a cha-cha-cha set to Fleur East's "Like That" followed by a Viennese waltz set to Rose Royce's "I'm Going Down" for the Ballroom Night.

The pair also showcased a samba set to Hailee Steinfield's "Most Girls," which earned them 22 out of 30 points for the Latin Night.

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When asked about the performance, the actress thought the song perfectly resonated what she has gone through in the past.

Sasha gets praised for 'DWTS' performance

She was also commended by the judges, particularly by Carrie Ann Inaba, for heating up the dance floor with her pro partner. "The best part of being a judge on this show is watching someone like you really blossom into yourself," the judge commented.

Sasha Pieterse later opened up how "Dancing With The Stars" has made her feel good about herself again after what she has been through. The actress also thanked her family and friends for their constant support and understanding of her health struggles.

The actress also revealed an exciting news about the upcoming "Pretty Little Liars" spin-off which she said has been in the works since last year.