Joe Jonas, Meaghan Martin, Odette Yustman, Hayden Panettiere, Paris Hilton, Alexa Vega, Jessica Szhor, and more all stepped out for the US Weekly Hot Hollywood Party at Eden in Hollywood on Tuesday evening.

The magazine recently released it's hot Hollywood style stars of the year which included Joe. Jessica Simpson was named the style icon of the year for the annual issue.

What was her biggest fashion no no moment? "The mom jeans…they kinda didn't work for me! I learned a lesson. The whole world learned a lesson!" Simpson told US Weekly.

Check out some photos from the event and a video below. Tune into Insider and E! News tonight to see more of Joe at the US Weekly Party, as well as tomorrow on Extra and ET this weekend.

What star do you think is the most stylish? What's been your biggest fashion faux pas?

(Photos: Getty Images/FilmMagic)

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