Kristin Cavallari Designs A Hot Summer Shoe For Charity, Avril Lavigne, Fergie, Mariah Carey, And Others Nominated For FiFi Award, And More Fashion News

Kristin Cavallari at Kiehl's in Santa Monica, California, on April 7.
Photo: Getty Images

Kristin Cavallari just unveiled the pretty, springtime sandal she designed for ShoeDazzle. The jute-heeled wedge called the "Bardot" goes on sale May 16, with all proceeds going to the Laguna Beach and The Hills-alum's charity OneKid OneWorld. {Coco Perez}

• Just in time for warmer temps, just launched a plus-size style guide packed with tips on wearing maxi dresses, bold colors and shirt dresses. {Glamour}

• To celebrate their 160-year anniversary, Kiehl's is collaborating with a handful of celebs including Michael C. Hall and Chloe Sevigny, who designed unique labels for the company's limited-edition Rare Earth Deep Pore Cleansing Masque. {Racked}

• Fashion designer Tom Ford is featured in a used car ad. That is all. {Racked}

• We (heart) this time of the year—when all of the new Havaianas flip-flop designs come out, like this super-vibrant Missoni-patterened pair. {Nitrolicious}

• The Best Packaging category for the 2011 FiFi Awards was swept by celebrities, including Halle Berry, Eva Longoria, Avril Lavigne, Mariah Carey and Fergie. Soooooooo, who do you think is going to snag the honor? {InStyle}

MAC's new Surf, Baby! collection (inspired by the beach, of course) features four new lipstick/glass shades, two new crushed metallic pigment sets, and teal and frosty yellow-white eyeliner pencils. Do we really have to wait until May 26 to score this stuff? {Fashionista}

• Rightfully so, Kate Middleton's wedding gown has been getting all of the attention. But do you ever wonder what she's going to wear during her honeymoon? Turns out Kate may be keeping her honeymoon threads on the moderately priced side—the princess-to-be was spotted buying a $105 dress at Warehouse in London. {Us}