The duo were all smiles as they supported the event and the cause.
They were joined by Broadway's Javier Munoz, who is not shy about his HIV diagnosis. The Hamilton star has discussed his battle in many interviews, like this one with GQ Magazine.
The former Girls star wowed in a black dress with red flowers.
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The 30-year-old also showed off her back side.
Proceeds from the pen will benefit (Red) in the fight against AIDS/HIV.
What do you think about the Allison and Rami supporting the cause? Let us know in the comments below!