Flash/Supergirl Musical Crossover Features Duet Written by Rachel Bloom, Song From La La Land Duo

The Flash and Supergirl‘s upcoming musical crossover just got even, ahem, crazier. Rachel Bloom, the co-creator and star of The CW’s Crazy Ex-Girlfriend, has penned an original song for the big event, she tells BuzzFeed. Titled “Superfriends,” the song is a duet -- with, I assume, a few meta jokes included for good measure -- between stars […]