The week's red carpet watch kicked off with the 2014 Grammy Awards on Sunday night, where Katy Perry looked divine in Valentino Couture fresh off the runway and Beyonce was FLAWLESS in white lace Michael Costello. Last night Hollywood was out in force for a charity event, with Selena Gomez, Gwyneth Paltrow, Jessica Alba and Diane Kruger hitting the red carpet. So what are you waiting for? Take a look through the gallery above to see who has worn what so far this week...
The Week's Best Dressed: Gwyneth Paltrow, Diane Kruger & Selena Gomez
GALLERY>> Who Is The Best Dressed This Week?
Michelle Dockery in Erdem at 'Non Stop' London Photocall - 30 January 2014
Michelle wore a black sheer Erdem dress covered with the brand's signature floral embroidery, with a white collar and cuffs. She paired it with simple black Rupert Sanderson pumps and her straight bob.
Sarah Hyland in Giulietta at SiriusXM Studios - 30 January 2014
Sarah is on the promo tour for Vampire Academy, and looked chic in a Giuliette monochrome sleeveless jumpsuit with a laid-back side pony and pink lip.
Keira Knightley at Eurostar St Pancras, London - 30 January 2014
Keira was spotted in a super cute travelling outfit at St Pancras, as she wore a blue check midi skirt with a black buttoned coat and lace up wedges.
Rihanna in Lanvin at MAC Cosmetics Launch of Viva Glam Rihanna - 29 January 2014
Rihanna wore head-to-toe Lanvin to the MAC Cosmetics Launch, opting for a pink metallic blazer with a blue skirt and liquid t shirt. She paired it with pointed metallic courts and a neck tie.
Camila Alves in Pamella Roland at UK Premiere of 'Dallas Buyers Club' - 29 January 2014
Camila was back on the red carpet with Matthew McConaughey, wearing a white strapless Pamella Roland dress with diamond detailing. She kept the rest simple with little jewellery and her hair left loose.
Cate Blanchett in Givenchy at 3rd Annual AACTA Awards - 29 January 2014
Cate wore a show-stopping Givenchy Spring 2014 sequin gown with a pleated skirt leading from bronze to gold. It features a plunging neckline and leather empire band.
Rihanna on 'Good Morning America' TV show, New York - 29 January 2014
RiRi was on Good Morning America this morning and wore a burnt sienna suit, with a white tee and nude ankle-strap heels. This is Rihanna, so the skirt has a dangerously high hemline.
Selena Gomez in BCBG Max Azria at Hollywood Stands Up To Cancer Presented By The Entertainment - 28 January 2014
Selena Gomez wore a white wide-legged jumpsuit by BCBG Maz Azria, with rib-grazing cut-outs and a plunging V. She paired it with a white Zagliani ‘Faye’ clutch and a gold cuff. As for her beauty look, she wore an updo with loose curls swept to the side and lashings of burnt orange lippie.
Diane Kruger in Erdem at Hollywood Stands Up To Cancer Presented By The Entertainment - 28 January 2014
Selena wasn't the only one in a jumpsuit, as Diane Kruger wore a floral Erdem number with sheer panels on the shirt to the event. She paired it with a Charlotte Olympia perspex and pink clutch and mint Celine heels.
Gwyneth Paltrow in David Koma at Hollywood Stands Up To Cancer Presented By The Entertainment - 28 January 2014
Gwyn wore a royal blue David Koma dress with a cut-out under the bandeau giving us a look at her famous abs. As for the beauty, she opted for bed-hair swept to one side, barely there makeup and blonde brows.
Jessica Alba in Ralph Lauren Collection at Hollywood Stands Up To Cancer Presented By The Entertainment - 28 January 2014
Jessica Alba wore a pretty white leather floral lace-effect Ralph Lauren Collection sleeveless dress, with a black pony-hair clutch and black strappy sandals. She contrasted the white Hamptons appropriate dress with a deep plum lip.
Anne Hathaway in Viktor & Rolf at Hollywood Stands Up To Cancer Presented By The Entertainment - 28 January 2014
At Sundance Festival Anne Hathaway debuted a new red carpet look in a green suit and she was suited again on Tuesday night at a Hollywood event. This time she wore a black Viktor & Rolf tuxedo with a simple black tee, a Lady Dior bag and black Isabel Marant bow heels. She has recently parted from her stylist Rachel Zoe, so is perhaps keen to present a new look on the red carpet.
Cameron Diaz in Giambattista Valli at TAG Heuer store opening - 29 January 2014
Cameron attended a TAG Heuer store opening in a chic black coat with white flecks, which she paired with black opaques and heels and a simple black clutch.