red dress nyc run way mercedes benz  fashion week reddresses460WM.jpg

A bevy of beauties strutted their sexy stuff on the catwalk for the kick off of New York Fashion Week and to promote The Heart Truth campaign ... an effort to spread awareness of heart disease among women.

Charlie Sheen's ex, Denise Richards, looked breathtaking in a vibrant gown which was part of the annual Red Dress Collection.

Nothing says Valentine's Day is around the corner like a gorgeous red dress. We'd definitely trade in a box of chocolates for Audrina Patridge's dress. Wowza!

See a pregnant and gorgeous Laila Ali workin' her red dress after the jump ...