"It feels like a marathon. It feels like an epic journey through time," she cracked of the glam process. "If I admitted to the amount of hours, I would never be able to look in the mirror tomorrow."
The Scandal star is also mom to daughter Isabelle, 2, with her husband, NFL player Nnamdi Asomugha. As she gets back into the swing of Hollywood life, Washington reveals how she's been getting back in shape.
"I'm trying to be smart," she said. "I took my six-to-eight weeks off of not exercising after [giving birth], and now I'm back to it a little bit -- and eating properly. But, you know, you can't really diet or do anything too crazy when you're nursing. Baby first!"
Inside the ceremony on Sunday, Washington couldn't help but geek out over her tablemates -- who just so happened to travel in from Westeros.
"Because I'm here with my film, Confirmation, I get to sit with the HBO folks this year," she said. "And I'm a huge Game of Thrones fan, so I'm just going to try and compose myself and not ask them questions about the wall."
Earlier in the interview, Washington and fellow HBO star, Divorce's Sarah Jessica Parker, totally fangirled over each other -- and it was beyond adorable! See the sweet moment below.