1 of 20
Taking her effortless bohemian-cool style one step further, launched Winter Kate, a ready-to-wear collection “inspired by the 60s and 70s, and from everything, from music to different people of the past.”
2 of 20
Described by Richie as “loose and easy”, Winter Kate features floaty tops, fringe vests, sweeping maxidresses and silk cardigans. Shop Winter Kate ($78-$495) at singer22.com.
3 of 20
MARY-KATE & ASHLEY OLSEN
This spring, designers and are making high fashion affordable and accessible to teens with an edgy juniors collection for JCPenney dubbed Olsenboye.
4 of 20
Inspired by trendy teens around the world, Olsenboye is a line of casual sportswear and accessories ranging in size from 0-15, and retailing at just $20-$50. Shop Olsenboye at jcpenney.com now.
5 of 20
Adding to her namesake fashion empire with intimates for spring, tells PEOPLE her new line “is sexy, yet feminine with a playful attitude!”
6 of 20
JESSICA SIMPSON INTIMATES
With looks ranging from girly floral corsets to stylish shapewear, Simpson has another fashionable hit on her hands – at an affordable price ($12-$65). Shop her new intimates at jessicasimpsoncollection.com.
7 of 20
Hoping to help moms-to-be look just as sexy as she did, launched two maternity lines for spring – Lavish by Heidi Klum for A Pea in the Pod and Loved by Heidi Klum for Motherhood Maternity.
8 of 20
LAVISH AND LOVED BY HEIDI KLUM
9 of 20
With her dress collection already a star favorite, revamped her denim line for spring. And this time, it’s all about the silhouette: “Long, slim legs.” Still, she says, you don’t have “to be a stick to wear them. You can be all different shapes and sizes.”
10 of 20
VICTORIA BECKHAM DENIM
Along with super-skinny denim leggings, Beckham adds sexy metallic tanks and tops to her casual line. Shop the collection ($195-$485) at net-a-porter.com.
11 of 20
Though she had adamantly denied becoming a designer, the Harry Potter collaborated with the British fair-trade fashion label People Tee for a charity collection of vibrant knitwear for women and men.
12 of 20
“I was excited by the idea of using fashion as a tool to help alleviate poverty,” says Watson of the line, which is made from 100 percent fair trade-certified cotton, with proceeds going to farmers and artisans in developing countries. Shop her collection at peopletree.co.uk.
13 of 20
Ultimate City girl Olivia Palermo has teamed with New York-based jewelry designer Roberta Freymann to create a limited-edition collection of five statement necklaces, hitting stores March 24.
14 of 20
ROBERTA FREYMANN BY OLIVIA PALERMO
For her first foray into design, the reality star created ornate jeweled bib necklaces inspired by her own and Freymann’s favorite cities and neighborhoods. Shop the collection ($175-$300) at robertarollarrabbit.com.
15 of 20
Inspired by Tim Burton’s latest hit, took her juniors collection Abbey Dawn to Wonderland. “I went through binders of images from the film to get inspiration for the clothing,” says the singer, who also wrote and performed the movie’s main song.
16 of 20
ABBEY DAWN'S WONDERLAND COLLECTION
The limited-edition pieces incorporate iconic imagery from the movie – including the rabbit’s stopwatch, Victorian ruffles, and florals – on shorts, tees, dresses and hoodies. Shop the collection ($24-$48) at kohls.com.
17 of 20
The Gossip Girl troublemaker is back for spring with styles for Coach’s cool Poppy line. “The collections are perfect representations of my whimsical attitude toward fashion and have that great mix of girly and edgy that I love,” she says.
18 of 20
19 of 20
20 of 20
KARDASHIANS BY BEBE
Using their much-coveted style as inspiration, the sisters created a spring line of little black dresses, cargo pants and basic blazers. The line is versatile, and can take you from day to night,” says older sister Kourtney of the now-sold-out spring collection that hit stores and bebe.com Feb. 11.
Miranda Kerr Marries Snapchat CEO Evan Spiegel — Get the Wedding Details
Need a New Suitcase? 6 Options Guaranteed to Satisfy All Your Travel Needs
Kim Kardashian Reveals the Real Reason She Split From Stylist Monica Rose
Buy It Now: Summer Party Looks Inspired by Celebrities