She shared: "We were really kind of campaigning to get her on the show - Jameela [Jamil] knows her, so that was very helpful.
"I was just in shock when I met her, like, she's so cool and so interesting ... She's really this regal, smart, wonderful actor, and really funny and just powerful, like, what a fascinating person and artist."
Ginger didn't actually shoot a scene with the 'Hot Girl Summer' hitmaker. But she was determined to meet her nevertheless.
The actress told 'Entertainment Tonight': "We obviously all snuck on to set that day and it was remarkable."
Meanwhile, Megan previously spoke about her ambitions in the movie business, revealing that she's keen to become a director one day. The chart-topping rap star also described herself as a "film buff".
She shared: "I definitely want to be an actress, but I also really want to be a director. I love movies and I’m definitely a film buff.