Fashion Round-Up: Jennifer Lawrence's 'Gown Rip,' Rihanna's Fashion Copycats & Beyonce's Figure Hugging Dresses

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It's been a statement-making week in style news this week in terms of celebrities, with a lot of copying going on between our favourite famous fashionistas, including everyone from Rihanna to Miranda Kerr and Rita Ora.

But first of all, we would just like to take a moment to hail our best dressed woman of the week, Cate Blanchett, in her out-of-character yet equally showstopping Jessica Rabbit style dress she wore at the AACTA Awards this week.

Cate looked absolutely stunning in her plunging red glittery Armani Prive gown detailed with black lining and a seriously revealing neckline, showcasing her ample cleavage.

Cate Blanchett was our best dressed this week whilst Adrienne Bailon was our worst - Splash/AKM-GSI

Meanwhile, our worst dressed of the week, who also opted for the colour red, would have to be Rob Kardashian's ex girlfriend Adrienne Bailon, who attended a cocktail party in New York wearing an over the top revealing dress.

Wearing the 50s inspired red and white print one shoulder dress confidently, Adrienne couldn't redeem her fashion flop however hard she tried with half her chest on show.

The star who has been copied by other celebrities most this week would be Rihanna, who had to remind us all that she was the one who first wore those Miu Miu gold pentagon shades before Miranda Kerr.

Rihanna lets us know she was the first one to rock these Miu Miu pentagon sunnies - Splash

Rihanna rocked her on trend shades with ease, just after Rita Ora had copied her trendy look of red leather trousers – is she the world's biggest trend setter?

In terms of high profile events, Jennifer Lawrence has been at the zenith of fashion news this week due to her Christian Dior Haute Couture navy gown allegedly 'splitting' at the SAG Awards.

J-Law stuns in Dior whilst Anne Hathaway fails to impress in Valli Couture - Splash

This is in fact an untrue report, and J-Law's stunning dress was in fact designed with a sheer underlay which could be seen if the dress was lifted up.

Along with Jennifer, Naomi Watts was one of the best dressed stars at the bash with her beautifully intricate champagne hued Marchesa gown, whilst Anne Hathaway fell into our worst dressed list in her little girl style black Giambattista Valli couture gown which did nothing for her lean frame.

Naomi Watts tops our SAG Awards Best Dressed List in her Marchesa gown - Splash

And to end the week with a glamorous cherry on top, we loved everything about Beyonce's appearance at the 2013 Super Bowl last night in an eye-popping Antonio Beradi scarlet dress, before changing into a sexy white mini dress by Olcay Gulden for her performance.

Beyonce stuns at the Super Bowl in her form-fitting dresses, look at that waist! Splash

How does she have a waist to rival most 20 somethings after giving birth just last year? We can't explain that one – but we hope she keeps her style credentials up to scratch for the rest of 2013.

Who was your best dressed of the week?

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