Mary-Kate Olsen

When Michelle Williams was spotted enjoying a sunny day in the park on Monday with her daughter Matilda, 7, and new boyfriend Dustin Yellin, many believed she

Amanda Bynes is having visions of grandeur: she claims she has just as much cash as the Olsen twins. “[I’m] in the Mary-Kate and Ashley type of wealth

By Leah Ornstein - Radar Features Editor Not every star got it right on the fashion front this week!From the red carpet of the hottest events and movie

By Radar Staff When does the desire to be skinny become scary? Hollywood’s hottest stars experience a lot of pressure to be thin for the cameras, but sometimes

By Radar Staff There were drinks -- lots of them -- a cake and even a New Kids On the Block sing-a-long. The only thing missing when the Full House cast

By Radar Staff Skinny isn’t always sexy! They say that the camera adds ten pounds, so it isn’t surprising that Hollywood stars work hard to maintain their hot

By Debbie Emery - Radar Reporter It's going to be far from a Full House for Mary-Kate Olsen and boyfriend Olivier Sarkozy when they stay at the extravagant

By Radar Staff Which Hollywood stars have taken their desire to be thin to dangerous lengths? It’s no secret that celebrities spend a lot of time eating right

By Radar Staff Looks like someone is suffering a little bit of jet lag! Mary-Kate Olsen returned from vacation on Sunday, not exactly looking fresh-faced and

By Debbie Emery - Radar Reporter Mary-Kate and Ashley Olsen have long been lambasted for including fur in their often outlandish clothing choices but their

By Leah Ornstein - Radar Features Editor From the red carpet of the 2012 MTV Movie and CMT Awards to the city streets, Hollywood’s hottest stars were dressed to

By Radar Staff Janice Dickinson Shows Off Her Body.What A Patriotic Cougar! Kathy Griffin Flaunts Her Bikini Body And Boy Toy.Coco Cuts A Curvy Figure At The

Mary-Kate Olsen's new man has swept her off her feet, and friends fear he's set her up for a very hard fall. He is Olivier Sarkozy, playboy and half brother of

By Leah Ornstein - Radar Features Editor The style stakes were high in New York City on Monday night at the CFDA Fashion Awards, where Hollywood’s hottest stars

By Alexis TereszcukRadar Entertainment Editor New boyfriend and new hair for Mary-Kate Olsen! The 25-year-old pint-sized star debuted a brand new dark hair-do

By Radar Staff Steve Madden, the shoe designer who has worked with Mary-Kate and Ashley Olsen for five years on their two very successful shoe lines, saying the

By Radar Staff Mary-Kate Olsen and her much older boyfriend have been pictured together for the first time, and RadarOnline.com has photos of them enjoying a

By Alexis Tereszcuk - Radar Entertainment Editor Mon dieu! Mary-Kate Olsen has a new boyfriend, and not only is he the half brother of former French President,

By Radar Staff How skinny is too skinny? Hollywood stars love looking lean, but sometimes they take their desire to be skinny to dangerous lengths. From the

By Amber Goodhand - Radar Reporter While Elizabeth Olsen's acting career is just beginning to flourish, her older twin sisters Mary-Kate and Ashley have decided

By Radar Staff Demi Moore has checked into Cirque Lodge, the upscale rehab center in Utah, E! is reporting.The drug and alcohol treatment center overlooking the

By Radar Staff On the red carpet, they dazzle with their glamour and beauty, but when they are caught off guard without their made up faces, Hollywood's hottest

By Radar Staff Real Housewives of Beverly Hills star Kim Richards checked in a rehab facility this week, joining a slew of other Hollywood stars who have dealt

By Leah Ornstein - Radar Style & Beauty Editor From Catherine Duchess of Cambridge and sister “her royal hotness” Pippa Middleton to Mary-Kate and Ashley Olsen,

By Leah Ornstein - Radar Style & Beauty Editor Who sizzled and fizzled on the fashion front this week?From the swankiest red carpet events in the world to the

By Radar Staff Gorgeous Jennifer Aniston dazzled in a short, shimmery cocktail dress with a plunging neckline at ELLE magazine’s 18th Annual Women in Hollywood

By Leah Ornstein - Radar Style & Beauty Editor From the red carpet of the most exclusive events in Los Angeles and New York to the city streets, Hollywood’s

By Leah OrnsteinRadar Style & Beauty Editor Hot bikini bodies run in the family! [ami-related target="_blank"

By Radar Staff Happy birthday Mary-Kate and Ashley! The Olsen twins turned 25 Monday and to celebrate their milestone we take a look back at some of their most

By Leah OrnsteinRadar Style & Beauty Editor It was a glam-packed night in NYC as stars like Jessica Alba, Ashley Greene and Naomi Watts hit the annual CFDA

By Leah OrnsteinRadar Style & Beauty Editor LeAnn Rimes created a media frenzy this week when she posted a photo of her bikini body on her Twitter account,

By Leah OrnsteinRadar Style & Beauty Editor From the glam-packed red carpet of the Met Ball in NYC to the sizzling hot streets of Los Angeles, stars were out in

By Leah OrnsteinRadar Style & Beauty Editor It was a fab (and shab!) day in fashion as Hollywood's hottest stars stepped out dressed in the best and worst

By Leah OrnsteinRadar Style & Beauty Editor From the red carpet to the streets, Hollywood's hottest stars were dressed up in fab and faux pas fashion over the

By Leah OrnsteinRadar Style & Beauty Editor From scorching hot starlets to faux pas fashionistas, Hollywood A-listers were out in full fashion force on

Mary-Kate and Ashley Olsen may have enough money in the bank to retire, but it doesn’t look like that is going to happen anytime soon!  The designing duo

From the red carpet to the streets, stars were out in full fashion force on Thursday - and RadarOnline.com has all the photos to prove it. [ami-related

From the red carpet to the streets, stars were out in full force this week wearing the best, worst & wackiest fashions and RadarOnline.com has all the photos in

Lady Gaga's eccentric sense of style has helped transform her into an international superstar, and now the chart-topping singer is being formally honored for

From the swankiest restaurants in Los Angeles to the red carpet in Europe, stars were out and about on Wednesday in the best and worst fashions -- and

Though over 2,400 stars speckle the Hollywood Walk of Fame, only 20 lucky ladies scored slots on our sizzling hot list! RadarOnline.com has photos of the twenty

Hollywood’s hottest stars were out on the town Tuesday, dressed in fab and faux pas fashions from Los Angeles to Paris. RadarOnline.com has all the photos in

She is following in the famed -- and young footsteps -- of her older siblings. But who is she? You can find out after the jump here on RadarOnline.com. Child

Women’s Wear Daily celebrated their 100th birthday at a fashion-packed Anniversary Gala in NYC on Tuesday night, which attracted everyone from the Devil herself

From the glam red carpet of the Rome Film Festival to the streets of NYC, stars were dressed in the best, worst & wackiest fashions over the weekend -- and we

Sibling rivalry is bad enough for normal people, but these sexy and famous celebs don't just primp in the same bathroom, they have to share the

From the scorching hot beaches of Miami to the glamor and glitz of Paris Fashion Week, stars hit the surf and turf this week in the best, worst and wackiest

Meghan McCain knows a good thing when she sees one: the writer and daughter of former presidential hopeful Senator John McCain, recently gave two of her

The stars were out in full force on Tuesday, dressed to thrill---and in kill! Mary-Kate Olsen experienced a fashion fur pas (real or fake, we do not know!)

From the star-studded red carpet of the 2010 Teen Choice Awards, to the chic streets of NYC, stars sizzled in fizzled in the Best, Worst & Wackiest fashions