Though the show's cast hasn't been revealed yet, we can only hope Meryl Streep and Anne Hathaway reprise their roles as Miranda Priestly and Andy Sachs, respectively. Both have already proved their musical chops in Mamma

Mia! and Les Miserables (respectively), and besides — Meryl needs her Tony, people!

What we do know for sure is that some serious talent has already signed on to write the play's music: THE Sir Elton John.

"I’m a huge fan of both the book and the feature film, and a huge aficionado of the fashion world," the 69-year-old singer said in a statement, according to Vulture. "I

can’t wait to sink my musical teeth into this hunk of popular culture."

The show's producers haven't yet announced when production will begin, but based on Twitter's reaction to this news, it can't start

soon enough: