Along with fellow new parents Nicole Richie and Joel Madden, Jessica Alba and her hubby Cash Warren attended a friend's house party over the weekend. From the looks of the couple, it was a casual affair. Still, the actress turned up in retro style, wearing Juicy Couture's plaid coat, flared jeans, an ivory turtleneck topped with a necklace [1], and white sunnies. Jessica proves that choosing your denim wisely is of utmost importance; hers lent a cool '70s vibe that went hand in hand with her groovy coat.

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Juicy Couture 3/4 Sleeve Belted Coat in Best in Show [1]3/4 Sleeve Belted Coat in Best in Show [1] by Juicy Couture [1] $648.00 $454.00 at Revolve Clothing [1]
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7 For All Mankind Low Rise Bell Bottom Jean [1]Low Rise Bell Bottom Jean [1] by 7 For All Mankind [1] $225.00 $112.50 at shopbop.com [1]
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Ksubi Willy Sunglasses in White [1]Willy Sunglasses in White [1] by Ksubi [1] $180.00 at Tobi [1]
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We Who See Cutout Mule [1]We Who See Cutout Mule [1] by Urban Outfitters [1] $125.00 $49.99
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The wintersoft turtleneck [1]The wintersoft turtleneck [1] by Gap [1] $38.00
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Floral Grommets Jean Belt [1]Floral Grommets Jean Belt [1] by Fossil [1] $38.00
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Kimberly Faith Sign Triple Charm Necklace in Gold [1]Sign Triple Charm Necklace in Gold [1] by Kimberly Faith [1] $79.00 at CoutureCandy [1]
Check out CelebStyle [2] for lots more celebrity street style!
Flynet [3]