This is really sad to hear.
[Image via WENN.]
The Girls star teamed up with YouTube sensations Kurt Schneider and Sam Tsui four years ago for a movie musical titled College Musical…
And it's live streaming TOMORROW!
At 8 p.m. PST you can watch Allison in all her vocal glory, right on Kurt's channel!
In the meantime, ch-ch-check out the trailer (above) to prep yourself for the campy occasion!