Best & worst dressed: March 15

The Best: Eva Longoria strikes the fine balance between sultry and classy in this pure red John Galliano gown. We're also shaking with hair envy: those curls...
The Best: Eva Longoria strikes the fine balance between sultry and classy in this pure red John Galliano gown. We're also shaking with hair envy: those curls...
The Good: Olivia Wilde rocks perfect ombre hair (that's the perfect, not-dyed but-dyed colour we've been trying for for ages) and kohl eyes with this beaded Gucci gown. It's understated elegance meets rock drama, and we think she looks the best she has in ages.
The Good: Olivia Wilde rocks perfect ombre hair (that's the perfect, not-dyed but-dyed colour we've been trying for for ages) and kohl eyes with this beaded Gucci gown. It's understated elegance meets rock drama, and we think she looks the best she has in ages.
The Good: Michelle Monaghan is striking and yet elegantly simple in this bright orange Roksanda Ilincic crepe dress. We'd just have added a brighter lip, et voila, our fantasy office outfit.
The Good: Michelle Monaghan is striking and yet elegantly simple in this bright orange Roksanda Ilincic crepe dress. We'd just have added a brighter lip, et voila, our fantasy office outfit.
The Good: Mary Steenburgen - posing here with her husband Ted Danson - looks smoking at 60 in this white lace dress. It fits perfectly. Ted's looking super sharp, too!
The Good: Mary Steenburgen - posing here with her husband Ted Danson - looks smoking at 60 in this white lace dress. It fits perfectly. Ted's looking super sharp, too!
The Good: New Girl star Hannah Simone pulls off one of our least favourite things in the world - a keyhole - in this hot peach dress. Wearable and oh-so pretty.
The Good: New Girl star Hannah Simone pulls off one of our least favourite things in the world - a keyhole - in this hot peach dress. Wearable and oh-so pretty.
The Good & Bad: To the left, we have Selena Gomez looking amazing (and totally working orange lipstick) in Dolce & Gabbana, while to the right, she's like a Nineties grunge Morticia Adams in a weirdly cut-out Lovers + Friends maxi.
The Good & Bad: To the left, we have Selena Gomez looking amazing (and totally working orange lipstick) in Dolce & Gabbana, while to the right, she's like a Nineties grunge Morticia Adams in a weirdly cut-out Lovers + Friends maxi.
The Worst: Nashville star Claire Bowen is unbelievably beautiful, but this awkward frou-frou dress looks like something from our dress up closet. From when we were three.
The Worst: Nashville star Claire Bowen is unbelievably beautiful, but this awkward frou-frou dress looks like something from our dress up closet. From when we were three.
The Bad: Rachel Zoe, 41 (she doesn't look a day over 60), prides herself in the fact she can dress other people well, but there's no excuse for hoof-pants. And we're pretty sure that top is textured, as in cow-hide feel, and that just freaks us out.
The Bad: Rachel Zoe, 41 (she doesn't look a day over 60), prides herself in the fact she can dress other people well, but there's no excuse for hoof-pants. And we're pretty sure that top is textured, as in cow-hide feel, and that just freaks us out.
The Bad: This look on Coco is like Kate Winslet's illusion-dress triumph gone very, very wrong. We love how she classed it up with a floppy leopard-print bag and three inch nails too. But, you know what, she's Ice-T's Mrs and she's sassy, so she suits this look better than most would.
The Bad: This look on Coco is like Kate Winslet's illusion-dress triumph gone very, very wrong. We love how she classed it up with a floppy leopard-print bag and three inch nails too. But, you know what, she's Ice-T's Mrs and she's sassy, so she suits this look better than most would.
Wild Card: This woman can pretty much pull off anything. One side of our brain thinks Blake Lively looks unbelievable in this Mario Schwab dress, while the other just finds that shiny bib on her chest disconcerting (and the white shoes just cheap looking). We are, however, unhealthily excited about the movie she's at the premiere of. The Croods: It's animated, it features sloths, need we go on?
Wild Card: This woman can pretty much pull off anything. One side of our brain thinks Blake Lively looks unbelievable in this Mario Schwab dress, while the other just finds that shiny bib on her chest disconcerting (and the white shoes just cheap looking). We are, however, unhealthily excited about the movie she's at the premiere of. The Croods: It's animated, it features sloths, need we go on?

They have swathes of stylists and the world's top designers at their beck and call, but that doesn't mean celebrities always get it right.

Every week we bring you the good, the bad and the just plain ugly in A-list fashion choices. 

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