Life Entertainment Style Best and worst dressed of the week 12:00pm, Dec 2, 2013 Updated: 11:42am, Dec 6 Best and worst dressed of the week Susannah Guthrie Entertainment Editor @susguthrie Share Twitter Facebook Reddit Pinterest Email All photos courtesy of Getty. Jessica Mauboy at the ARIA Awards. WORST DRESSED: While the top half is gorgeous, the awkward asymmetrical hem ruins Jessica Mauboy's ARIA gown. WORST DRESSED: "Fashion Police" judge Kelly Osbourne loses some credibility in this tulle shocker. WORST DRESSED: Paula Patton's white mini is unflattering on her otherwise bangin' body. WORST DRESSED: Sophie Falkiner's acid-bright dress and shoes border on tacky. WORST DRESSED: Jessie J takes low-cut to the next level. WORST DRESSED: There is way too much going on with Rihanna's ball gown bikini. Alicia Keys. WORST DRESSED: Zoe Saldana's dress looks more patchwork than pretty. WORST DRESSED: Justin Bieber. This one needs no explanation. BEST DRESSED: Marion Cotillard looks like a grown-up Rainbow Bright in this effortless Christian Dior frock. BEST DRESSED: Katy Perry is fairytale chic in Oscar de la Renta. BEST DRESSED: Miley Cyrus is sexy but sophisticated in a white Versace pantsuit. BEST DRESSED: Missy Higgins looks fresh and feminine. BEST DRESSED: Perpetually stylish Olivia Palermo has the perfect arm candy in the form of boyfriend Johannes Huebl. BEST DRESSED: Emmy Rossum stuns in an embellished Naeem Khan jumpsuit. BEST DRESSED: Jennifer Hawkins looks summery and sweet at the Veuve Clicquot Polo. BEST DRESSED: Colin Firth and wife Livia look like a pair of European royals in their classic evening wear. BEST DRESSED: "Downton Abbey's" Michelle Dockery is sleek in Stella McCartney BEST DRESSED: Taylor Swift's Reem Acra gown positively glitters. BEST DRESSED: Tinie Tempah looks modern and dapper, extra points for the cool loafers. BEST DRESSED: Jules and Guy Sebastian are a stylish pairing at the ARIAs.