'Pretty Little Liars' Star Sasha Pieterse Says PCOS Made Her Gain 70 Pounds When She Was 17

'Pretty Little Liars' star Sasha Pieterse opens up about gaining 70 pounds when she was 17, due to PCOS (polycystic ovary syndrome). During her appearance on 'The Squeeze' podcast, which is hosted by Taylor Lautner and his wife, Taylor Dome Lautner, the actress shares how she was experiencing symptoms of PCOS long before she received a diagnosis and all while filming 'Pretty Little Liars.'