Sienna Miller, who partnered with her sister Savannah on the line Twenty8Twelve, also served as house model for the line's Spring 2011 lookbook. The downtown chic but feminine styling makes the lookbook not only pretty irresistible but super useful — we took some notes. Check it out for yourself. Read more

Sienna Miller held hands with a friend on Saturday after a performance of her show Flare Path in London, and this morning she switched gears from drama to fashion in order to join her sister Savannah at Selfridges to launch their new Twenty8Twelve pop-up shop. It seems the Millers decided to forgo showing their designs with a big show during Fall Fashion Week, instead choosing to have exclusive Read more

Ponder this: The cool girl, sweetie pie, and sex kitten have a fashion powwow . . . and they all get along famously. That's what Sienna and Savannah Miller's Spring collection for Twenty8Twelve is in a nutshell. Flowy, '70s-inspired rompers blend flawlessly with striped tank dresses, which mesh with darling scallops and bows. There's nothing off-kilter, only wearable, cute pieces that will Read more

We've covered most of Spring's bases: dresses, scarves, shoes, and jackets. Next it's skirt time! What I love about skirts is that they don't discriminate — they come in all sorts of silhouettes, lengths, colors, and prints. And because they allow your stems to breathe, Spring is the perfect time to invest in a few sassy styles. I personally am hardcore crushing on the scuba blue mini. Hot! Read more

It's official – we're ready to begin Spring shopping! Hopefully everyone knows the trends through and through and have decided which ones work for you. I'm going to dabble in the artsy and floral themes, as does this month's most wanted. One thing that marries all the best of the Spring trends for me is this Yves Saint Laurent Mini Star Bracelet ($395). I can't stop thinking about its star Read more

Sienna Miller hit London's Groucho Club for lunch today after flashing a smile last night on her way out of the Theater Royal, where she performed in Flare Path. Yesterday was a busy one for the actress, who kicked off her afternoon by launching her Twenty9Twelve pop-up shop at Selfridges alongside her sister Savannah. Sienna spoke about their hopes for the label, saying, "We’d love to do maybe Read more

Blake Lively, who wore a dress by Twenty8Twelve, and Ryan Reynolds each had a coffee in hand as they walked around NYC on Saturday. The couple apparently met up with Blake's sister Robyn and her husband, Bart, for breakfast at The Stanton Social, where they were spotted sharing doughnuts and muffins. It wasn't Ryan's first interaction with Blake's family since the duo spent Thanksgiving weekend Read more

Sienna Miller picked a classic LBD, from her own line Twenty8Twelve, for the International Medical Corps’ awards celebration in Beverly Hills last night. She was recognized for her work in Haiti and Ethiopia. Her boyfriend missed out on the soiree, though Sienna and Tom Sturridge took romantic trip to Venice just last week. Sienna's visit to the West Coast may give her time to catch up with Read more

There was an occasion for Sienna Miller to celebrate her new JewelMint collaboration last night at Ralph Lauren's Wimbledon Party in London. She, along with her mom, Jo, and older sister, Savannah, toasted the annual tennis festivities with legendary player Boris Becker. Sienna, who runs Twenty8Twelve with Savannah, selected a bracelet to be sold on Kate Bosworth's JewelMint. The "Sienna" Read more

Sienna Miller hugged a friend as she left the Royal Haymarket Theatre in London last night. She was sporting sweats after another night on stage for her production of Flare Path, which has been running for the past couple of months and may bring her to the states for a run on Broadway later this year. Her rigorous performance schedule has meant fewer date nights with her man, though hopefully Read more