The 37-year-old actress announced her engagement to art consultant Will Kopelman at the beginning of the year, and while plans for the big day are yet to be finalised, Drew knows what type of gown she wants.
Speaking about her dress, Drew said: "Not a plunging neckline! Something tasteful. Something timeless."
Drew recently said she and Will hadn't really discussed what they wanted for their nuptials as they were still enjoying being engaged.
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She said: "I think everyone expects you to kind of know right away what the plans are. I'm like, 'Oh goodness, it just happened a month ago! Do I not have it together or is it OK to keep daydreaming?' "
Drew - who was married to bar owner Jeremy Thomas for a month in 1994 and comic Tom Green for five months from July 2001 - has also said she thinks she has finally found the right balance in her life now she has gotten older.
She said: "As I've gotten older, I've really wanted to find more balance and calm
"I'm pushing 40 and I feel like those things I always aspired to are finally being realised."