An Etro-clad Jessica Simpson was the guest of honor last night at Us Weekly's annual Hot Hollywood party. This year's bash, held at the Eden nightclub, featured 2011's Style Icon, Jessica, along with other celebs like Lauren Conrad and a hot-in-red Camila Alves. American Idol's Pia Toscano looked right at home on the cream carpet, as did other attendees like Paris Hilton and Hayden Panettiere. Read more

When the fashionable world isn't taking in a runway, prepping for a shoot, or stepping out for an event, they're usually on Twitter sharing pics of all of the above! That's why we're bringing you a slice of the style world via sweet and silly pics tweeted by some of our favorite fashionable people. This past week, we spied a pregnant Rachel Zoe showing off some fabulous footwear, Nicole Richie on Read more

The guys of Maroon 5 got in on the Halloween party hosting action last night by gathering their friends at the Hollywood Forever Cemetary for a bash. Frontman Adam Levine and his girlfriend, Anne V, were in their '80s finest going as a "rock star wedding couple," and Lauren Conrad looked adorable decked out as Minnie Mouse. She tweeted about how her friend Kristen Ess actually created the mouse Read more

Nicole Richie turns 30 today! We're celebrating her big day with a look back at some of her most memorable photos with her best pals. She had the company of one-time BFF Paris Hilton when they filmed The Simple Life, and other buds like Rachel Bilson, Naomi Campbell, and Kate Bosworth have been by her side supporting her fashion endeavors. She's one of the best-liked ladies in Hollywood, so Read more

This batch of celebrity style is loaded with looks to inspire. From Nicole Richie's sequined Halston frock to Lauren Conrad's pretty pleats, the top 10 this week is chock-full of party-dressing styling tricks. Beyond that, looks like Nicky Hilton's on-trend mix of red and leopard print loafers appeal to our more casual style instincts. Click through for all the highlights in this week's top 10. Read more

Britney Spears was in her second skintight Herve Leger of the week when she stepped out for KIIS FM's annual Wango Tango concert at the Staples Center in LA on Saturday. She donned the graphic fitted number just one day after Kim Kardashian wore the same dress out in Miami, but changed up the look with platform boots instead of heels. Britney and Ryan Seacrest cohosted the event, which welcomed Read more

On the whole, this week's style celeb crew is flirty and girly. Of course, there are a couple of street style moments thrown in — we couldn't resist adding Nicky Hilton, confident and casual in a pair of printed pants — though mostly, the looks we're drawn to of late hint at something more femme. Think Olivia Wilde channeling classic — and sexy — sophistication in a black sheath, Jordana Read more

This week's crop of Twitter pictures takes us from stars' latest beauty treatments and favorite foods to intimate moments with loved ones. Plus, a few adorable furry friends made it into the mix. Click through to see the photos we've gathered over the past week, and don't forget to follow us on Twitter for exciting news and photos! Read more