'Pretty Little Liars' star's dramatic weight loss makes this 'DWTS' goodbye bittersweet

It was Disney night on Dancing With the Stars. Pretty Little Liars star Sasha Pieterse, and her partner, Gleb Savchenko, went under the sea as they performed The Little Mermaid’s “Kiss the Girl.”

However, flipping their fins didn’t get them too far because the two were, unfortunately, the couple eliminated from the competition this week. “I knew that it was going to be amazing, but it totally blew my expectations away. I have had such an incredible time and I love everybody here. So, obviously, this is a very sad moment for me,” said Pieterse. She continued, “I’m just so thankful, and I’ve had such an amazing experience, and I’m grateful for the experience, and I’m so happy that I got to share my story, and I love everybody. So, thank you, thank you for voting.”

At the beginning of the season, Sasha shared her struggle with weight gain as a result of polycystic ovary syndrome, noting that she gained more than 70 pounds over the course of two years. However, just three weeks later, Sasha revealed that she has lost 37 pounds — and it’s all thanks to her partner’s dancing boot camp. So even though Sasha will no longer be part of your DWTS competition, she’s still leaving a winner.

Dancing With the Stars airs Mondays at 8 p.m. on ABC. Watch clips and full episodes of Dancing With the Stars for free on Yahoo View.

Check out Hamilton star’s emotional DWTS performance earning the highest score of the season:

Read more from Yahoo! Entertainment:

• Frankie Muniz reveals he has severe memory loss, Bryan Cranston promises to help

• ‘Dancing With the Stars’ and ‘The Voice’ share messages of hope for Las Vegas victims

• An emotional Sasha Pieterse discusses battle with weight and PCOS diagnosis on ‘DWTS’

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