Ariana Grande

When singer Ariana Grande steps out for an event, there is a pretty good chance fashion analysts can guess what she will be wearing. Why? Because Grande wears almost the same exact look to every event she attends: a short, cutesy dress with her hair half up. As a young rising star, Grande should be experimenting with fashion, not settling into a rut. She is reportedly trying to shed her teenybopper image (she got her start on Nickelodeon’s “Victorious”), but dressing like a middle-schooler isn’t the way to show your audience that you’re all grown up.

Kim Kardashian

Kim Kardashian's style has improved a lot since she first rose to fame. She doesn't have bad fashion sense and she certainly isn't afraid to take style risks—she's rocked everything from fur to full length denim. Sometimes Kardashian completely kills it and looks phenomenal. Other times, her clothes are ill-fitting or just look strange. Maybe it's because she lets her husband, rapper Kanye West, dress her?

Mariah Carey

It’s a well-known fact that Mariah Carey is a huge diva. Although the singer seems to be aging well, Carey seems to be stuck in the past because she’s often seen wearing clothes that would have looked better on her 10 years ago. She likes to be the center of attention, but wearing too tight or ill-fitting, frumpy clothes make her look desperate instead of sexy.

Justin Bieber

Singer Justin Bieber's fashion sense never fails to perplex. Does Bieber even know how ridiculous he looks? Between the crazy-crotch pants and the oversized shirts, why doesn't he get some help before he leaves for events? However it seems like Bieber is mostly shirtless now, so maybe he doesn't have to worry about fashion anymore. 

Miley Cryus

Miley Cyrus courts controversy with her behavior and her fashion. Although the singer deserves some credit for taking risks and having fun with her fashion, Cyrus could really use a good stylist to tell her when she's gone from interesting to trashy. For now Cyrus can get away with dressing in whatever way she wants beause of her youth, but she should definitely class it up in the future. 

Jennifer Lopez

Let's get one thing straight: Jennifer Lopez is absolutely beautiful. She's in incredible shape and looks better than many stars who are half her age. Her fashion game is strong about 98 percent of the time. However, sometimes it seems like Lopez is trying too hard to appear younger than she is, which results in her looking trashy. Flaunt what you've got, but also realize that certain trends are best left to the youngsters.