Want to know the secret behind scoring a "Mad Men"–worthy silhouette? According to "Mad Men" costume designer and Maidenform wardrobe expert Janie Bryant, it's building a strong foundation.

Watch this video for Janie's top styling tips and go-to shapewear picks, and leave a comment anywhere on this blog through December 10, 2010 to be entered for a chance to win a Janie-approved Maidenform shapewear wardrobe valued at over $200, including:
-Flexees Take Inches Off Wear Your Own Bra Slip
-Flexees Fat Free Dressing Slip Dress
-Flexees Fat Free Dressing Legging
-Maidenform Ultimate Push-Up Bra
-Custom-Lift Strapless Longline Bra

See official Maidenform Giveaway rules.

Check out more shapewear styles at Maidenform.com.