The first Devil Wears Prada was a bonafide hit after it released in 2006. Meryl Streep knew that it would be, which is why she doubled her salary ask when she was first offered the part of the now-iconic Miranda Priestly. Now 20 years later, Streep revealed that bold (but worthy) negotiation move when speaking about Devil Wears Prada 2 with her sequel co-stars Anne Hathaway , Emily Blunt and Stanley Tucci . “I read the script [for the original], the script was great. They called me up and they made an offer, and I said, ‘No, not going to do it,'” Streep said during a Wednesday cast interview with Today . “I knew it was going to be a hit, and I wanted to see if I doubled my ask… And they went right away and said, ‘Sure.’ I thought, I’m 50-60 [years old] — it took me this long to understand that I could do that! They needed me, I felt. I was ready to retire. That was a lesson.” The original movie earned more than $325 million globally at the box office, and praise poured in for the cast.…