I tried...it doesn't look exactly the same, I used different polishes, but it does look alike (to my eyes at least xD)!
I started this with 2 coats of O.P.I Fly, placed some striping tape on all of my nails, and then did the gradient using Fly and Essence Grumpy, from the Snow White LE. After that, I applied 1 coat of Hits Valsa and this is the final result:
None of my photos show how awesome this looks in real life and I'm really sad that I need to take this off tonight...but what can I do? The challenge must go on!
Tomorrow we have polka dots and I still have no idea of what to do... :S
Tomorrow we have polka dots and I still have no idea of what to do... :S