Jessica Alba's Crazy Bright-Colored Jean Collection

Practically every fashion-forward star, not to mention Kate Middleton and the Obama sisters, has tried out the colored denim trend, but Jessica Alba really, really loves the look.

The mom-of-two, 30, owns jeans in almost every color of the rainbow, wearing the eye-catching bottoms with everything from patterned tops to sleek blazers.

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She debuted a purple pair with a blazer and Aztec-print tank while running errands in Los Angeles on Tuesday.

She rocked AG Adriano Goldschmied "The Stilt" jeans in Highlighter Blue ($176, revolveclothing.com) with a white J Brand denim jacket, a printed Theodora & Callum scarf and Tory Burch flats on April 2.

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Her Kate Spade "Broome Street" jeans in red ($198, katespade.com) have made two appearances -- first back in November 2011, then again on March 12.

Jessica AlbaCredit: Beverly News; BAUER-GRIFFIN.COM

Other favorites include Current/Elliot The Stiletto Jean in Neon Lime ($185, bloomingdales.com), Hudson Nico Midrise Skinny in Lemon ($154, hudson.com) and 7 For All Mankind Cropped Skinny in Hot Neon Pink ($169, 7forallmankind).

Jessica AlbaCredit: NATIONAL PHOTO GROUP; Josiah Kamau/BuzzFoto.com