They are mortal enemies on Dancing With The Stars.
But Nick Lachey and wife Vanessa certainly seemed to be in step when the arrived at the 7th Annual Baby Ball Gala sponsored by Carbonadi vodka on Saturday night.
Vanessa, 36, looking smoking in a figure hugging off-the-shoulder leather dres and Le Vian diamond hoop earrings.
Nick, 43, was equally sharp in a black two piece suit.
They had plenty of rivals for hottest couple on the night, including Australian celebrity chef Curtis Stone and his gorgeous wife Lindsay Price, who wore a cleavage-baring silky red gown.
Smallville's Tom Welling arrived with Jessica Rose Lee, wore wore a gorgeous sparking gold and black dress.
Actress Amy Smart also got the black memo, baring her arms in a delicate sleeveless black gown.
The charity's mission is to help families who want to adopt financially.