ByLeah OrnsteinJust because they are rich, famous and have extensive access to the hottest designer duds, doesn't mean that Hollywood's hottest stars always make the best choices when it comes to their attire.This week,Miley Cyrusadded her âho ho hoâ to theJingle Ball,Kim Kardashiangot dressed in white byKanye Westin Miami andKaty Perrygot all regalfor charity.Check out all the best, worst and most ridiculously dressed stars of the week inPopdust's fashion roundup!
Best:Katy Perrystunned at theUNICEF Snowflake Ballin New York City, looking all regal in a crushed velvet cabernet coloredNaeem Khangown, adding a matching, gold embroidered cape.
Worst:Hayden Panettierestars on the showNashvilleso of course she is part of the whole country scene now.Anyway, she went to theCMT Artists of the Yearthis week wearing this unflattering pantsuit thing.
Best:Britney Spearscleaned up nicely to kick off her show at Planet Hollywood in Las Vegas, showing off her hot bod in a black sparkling cocktail dress.
Most Ridiculous:It's always hard to analyzeKelly Osbourne's outfits because her hair is just so awful, but girl just didn't look good at this viewing party forBeyonce's Mrs. Carter tour in Los Angeles.
Best:Selena Gomezdared to take the plunge in a Zara pantsuit and looked oh-so-sexy at theKISS FM Jingle Ballconcert in Dallas.
Best:Rita Orasizzled inVivienne Westwood's trademark gown at theBritish Fashion Awardsin London.
Most Ridiculous:Yeah, yeah, we get it.It's fashion andshe is a supermodel.ButRosie Huntington-Whiteley'sAntonio Berardisuit, which was designed to look like chaps or thigh-high boots, was just hideous.
Best:Work it girl!Alicia Keys' plunging suit at theFoxtel Music Channels Summer Launchin Sydney was quite daring and incredibly delightful.
Most Ridiculous:Oh, please,Gabrielle Union.This slitty leg thrust is SOAngelina Jolie......three years ago.
Best:Avril Lavigneactually looks normal and like a real life adult in this black outfit at Q102'sJingle Ballin Philadelphia, althoughthe pregnancy rumorsare sure to be resurrected as she is wearing a loose fitting top.
Most Ridiculous:Trying to lookKanye Westmuch?Jason Derulodonned leather shorts with a leather sleeveless top to Q102'sJingle Ballin Philadelphia.
Worst:Kim KardashianfollowedKanye Westinto a party at Art Basel in Miami, wearing a white cutout number that he surely dressed her in.
Most Ridiculous:Mileywasn't even dressing this racy at 13!Noah Cyrus, who just entered her teens, was allowed to go to theBeyonceconcert in thigh-high boots.AreTishandBilly Rayeven paying attention to their middle schooler?
Worst:Way too much skin is being exposed here!Ariana Grandelooked like she was in her sexy schoolgirl Halloween costume as she performed at 106.1 KISS FM'sJingle Ball.
Best:NYLON cover starDemi Lovatolooked perfectly put together, mixing sparkly pants with a plaid blazer to help McDonald's kick off its 'One Hot Holiday' Instant Win Promotion with Xbox One at the NYLON Magazine December/January issue celebration.
Most Ridiculous:Lady Gagalooked shockingly similar to Ariel from the Little Mermaid's father King Triton, with her dreads-for-miles and âUnder the Seaâ inspired attired at theJingle Ballin London.
Worst:Miley Cyrusmade sure to put her âHo ho hoâ into the holiday season at KIIS FM'sJingle Ballin Los Angeles, hitting the stage in one of her trademark, nearly naked ensembles andtwerking Santawith her tongue hanging out.
Best:Jennifer Lopezworked it at the March of Dimes luncheon in Beverly Hills rocking a strapless floral cocktail dress.
Best:Fergieflaunted her post-preggers body at the 15thAnnual Trevor Project Benefit, wearing an attention grabbing and skinsational yellow number.
Most Ridiculous:Paula Abdulwas screaming for attention at the 15thAnnual Trevor Project Benefit in this silly, sharp shouldered and bell sleeved red mini.