3/17/173/17/17 When Lena Dunham attended the opening of celebrity trainer Tracy Anderson’s new studio in New York City, she rocked a grey workout tank top, fun patterned leggings, and a huge smile. It wasn’t long before many took to social media to comment on her appearance, namely, her weight. Dunham explained at the event why she has been working out with Anderson so much lately. Spoiler alert: It’s not because she wanted to shed a few pounds. “I came to her and was like, ‘I have endometriosis, I have chronic physical pain, I just want to feel stronger I just want to have a stronger core, I want to feel like I have more power throughout my day, how do[…]