Late Night With David Letterman: Jessica Biel

Jessica Biel taped an appearance on the 'Tonight Show With David Letterman' in New York City.

The actress looked great in her electric blue and moss green Roland Mouret draped dress.

I wished her hair was more polished, and less shaggy.

I usually don't like matchy matchy, but I don't mind her blue Jimmy Choo pointy heels.

"The Late Show With David Letterman": Serena Williams

Serena Williams appeared on 'The Late Show With David Letterman' in New York City.

The tennis stars is on fire in her fantastic red Victoria Beckham sexy sheath dress.

I adore the black piping and exposed zipper details.

She completed her look with funky curly hair, and hot metallic Christian Louboutin platforms.

The girl has a body of death!

"Late Night With David Letterman": Blake Lively

Blake Lively arrived at the 'Late Night Show With David Letterman' in New York.

The actress looks amazing in her white silk chiffon wrap Jenny Packham dress.

The embellished neckline is a little fussy, but it works well with the silhouette.

She completed her look with half-up and half-down hair, and sparkling Christian Louboutin heels.

"The Late Show With David Letterman": Kelly Ripa

Kelly Ripa Arrived for the'Late Show With David Letterman' in New York City.

The talk show host looked incredible in her fuchsia bell sleeves Roksanda Ilincic dress.

If you can remember, actress Ginnifer Goodwin also rocked this fabulous silhouette.

Ripa completed her look with a side swept ponytail, and hot Charlotte Olympia purple and red satin platforms.

"Late Night With David Letterman": Eva Longoria

Eva Longoria made an appearance on the 'Letterman Show' in New York City.

The 'Desperate Housewives' looks gorgeous in her black Victoria Beckham fitted dress.

When she turned around, I died over her sexy dove gray straps and exposed zipper detail.

I will kill anyone in my path for her blush and black embellished Brian Atwood 'Vanity' ankle-strap heels!