This week in celebrity fashion was all about workin' the talk show arena. Being a prime spot to promote their current work, the ladies of Hollywood have never looked better. On 'Late Night With Seth Meyers", the always beaming Kate Hudson made us green with envy in a sparkly mint hued jumpsuit by Temperley London. While later in the week Dakota Johnson brought her charm in a ladylike J.Mendel number. On Ellen, Kourtney gave us a little Kardashian glamour in a metallic gold shorts suit by Lanvin. When it came to the events circuit, "Orange Is The New Black" star Laverne Cox was pretty in pink, donning a chic Roland Mouret dress at the NAACP Awards Luncheon. In Vegas, Jennifer Lopez, the new queen of Sin City showed off her assets in a plunging Gabriela Cadena frock. JLO kicked off her residency with lots of sequins, dancing, and of course booty galore! So it was no surprise to see her looking ultra sexy at the show's opening after-party. At the Who What Wear x Target launch, Jessica Alba boldly paired mixed prints, which she topped off with a cool leather jacket. If this outfit is any indication of the collection, we will definitely be paying Target a visit in the near future. To see all of these fabulous looks, plus many more, check out our Best Dressed gallery above.