Felicity Huffman

Sienna Miller hosted the grand opening of Esquire House in LA last night, and was joined by celeb guests for the party. She looked chic in black with some pointy dark grey shoes as she greeted Felicity Huffman and Marlon Wayans, earlier this week she left the UK for America with a huge smile on her face. Kate Bosworth wore some dramatic red lipstick and a black and brown dress for the party, which she attended with her man Alexander Skarsgard. The pair have been enjoying lunch dates and LA concerts together this month, adding parties to the list, while host Sienna was without Jude Law last night.

To see more photos from the party, including Aaron Eckhart, Alexander and more, just read more

Following the opening amfAR gala benefit on Wednesday night, New York Fashion Week got into full swing yesterday with celebs flocking to the front rows and parties around Bryant Park. Kelly Osbourne, Josh Hartnett and Zoe Kravitz attended Gwen Stefani's L.A.M.B. show and after-party at Milk Studios. Gwen chatted about red lips and fragrances with PopUS and trends and trousers with FabUS, and also spoke of the devastating loss of Alexander McQueen, whose shocking death yesterday has left the fashion world in mourning.

Ke$ha and gorgeous Jared Leto were at the Erin Wasson + RVCA show, Whoopi Goldberg attended Chado Ralph Rucci and The City stars Whitney Port, Roxy Olin and Olivia Palermo watched Ports 1961: Whitney later curled her hair for the HauteLook party. Leigh Lezark, Maggie Rizer, Michelle Williams and Anna Wintour were at the BCBG Max Azria show, while Naomi Campbell was spotted out and about. Kim Kardashian, Heidi Klum, Felicity Huffman, Estelle, Kristin Chenoweth, Joan Collins and Jordin Sparks all wore the colour of the moment at the Heart Truth Red Dress show. Follow FabUS and BellaUS at NYFW on Twitter!

To see loads more pictures of the celebs and NYFW, just read more