Just call her the hostess with the mostess...

Most style, that is! Chelsea Clinton was all smiles in a little black dress at the Millennium Network Event on March 17 in Los Angeles, a gathering first launched in 2007 by her father, former President Bill Clinton.

She stepped out in a Lanvin crushed ramie blend number from the label's Spring 2011 collection. Black satin Christian Louboutin pumps and hubby Marc Mezvinsky were perfect accessories.

But let's not forget that "Country Strong" actress Gwyneth Paltrow rocked the frock when she performed at the 2010 CMA Awards adding ankle booties and gold chain necklace

So which look do you like most? Chelsea's demure approach with opaque tights, or Gwyneth's saucy stage ensemble?

And here's a full gallery of Chelsea at the Millennium Network event:

Earlier this week, Chelsea hit a sartorial high note in an Oscar de la Renta LBD.