Come dressed as your favorite characters from cult favorite film, the Rocky Horror Picture Show and stand a chance to be crowned best dressed at this rocking Halloween weekend party.

[EXCLUSIVE I-S GIVEAWAY] For an exclusive chance to win special VIP treatment on the night, including dinner for two at Stellar (valued at $200), a bottle of Courvoisier and 6 limited-edition Heineken glow in the dark bottles, you just need to answer this question: Which year did 1-Altitude win the STB Singapore Experience Award for Best Nightspot Experience? Head to their Facebook page for clues to the answer then email us at [email protected]. (Even runners-up won’t be going home empty-handed!)