It's October and the leaves have changed, so we want to curl up by a candle and tear into the most anticipated book release of the year. Of course, we couldn't send out our October box without including candy, and we're especially thrilled to share gummy treats from Dylan's Candy Bar, heaven for anyone with a sweet tooth. Finally, October is Breast Cancer Awareness Month, and as women, it's especially important to stay involved in this cause, which affects all of our lives. That's why we're excited to include pink products that help support important charities. We're thrilled to show you what was in our October POPSUGAR Must Have box!

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David Beckham brought along his Galaxy teammate Robbie Keane to sit courtside at last night's Lakers game in LA. A usual face in the front row at the Staples Center, David cheered on the basketball squad with Robbie, an Irish player, on one side and Adam Levine on the other. Adam and David got into the action, though only one brought along their significant other — Adam had his model girlfriend, Behati Prinsloo, by his side, but Victoria Beckham stayed home. Despite the sports action, Adam still took time to send his well wishes to those suffering in the wake of Hurricane Sandy on the East Coast. Adam tweeted, "Sending love to those who need it on the east coast. You are all in our thoughts."

There were plenty more stars on hand in addition to David and Adam. Katy Perry stayed close to her dad and far away from her ex-husband, Russell Brand. Zac Efron was also there to cheer for the Lakers despite their 91-99 loss to the visiting Mavericks.

Jessica Simpson's Halloween costume was on display today! She shared a photo with fans via her website and Twitter account, showing her decked out in a milkmaid-esque costume with her waist cinched in a corset. Eric had a Braveheart look going on, while little Maxwell was a chicken. It was just this time last year that Jessica confirmed her pregnancy. She memorably shared a photo of Eric as Larry Byrd and herself as a mummy, saying, "I'm going to be a mummy!" Just a few months later, baby Maxwell entered the world and is now a part of the Simpson-Johnson family dress-up fun.

Source: Twitter user jessicasimpson

Happy Halloween! Many of our favorite stars take the opportunity on the holiday to show off their sexier side! Kim Kardashian never fails to bring out her saucy side on the red carpet in curve-hugging costumes, much like Mariah Carey, Miranda Kerr, and Heidi Klum.

We're rounded up a look at tons of celebrity Halloween costumes — click through to see our picks for the sexiest costumes from years past!

Gwen Stefani and her youngest son, Zuma Rossdale, hit the streets of London this evening to do a little trick-or-treating. Zuma sported a Star Wars Stormtrooper costume as they set out on the leaf-strewn streets of the city. Gwen decided to forgo dressing up for the holiday, but looked stylish as usual in a pair of sunglasses, a puffy jacket, and her trusty Doc Martens.

The Stefani-Rossdales have made their home base in LA, but also spend time in Gavin's hometown of London each year. Gwen and No Doubt will appear on the UK version of The X Factor this Sunday, and will head to Frankfurt, Germany, for the MTV EMAs the following weekend. After that, she and Gavin will enjoy a couple of weeks of downtime before No Doubt kicks off a series of shows in LA on Nov. 24 and Gavin resumes touring with Bush on Dec. 1.