Rihanna Debuts Blonde Hair Over Twitter

Rihanna has debuted her latest look over Twitter – and it looks like she's taken inspiration from rocker Rod Stewart.

The singer, who is currently promoting her latest album 'Talk That Talk', posted the picture of her new do to fans over Twitter.

She said: '#Back2Work 1st Cover of the year!!!!'

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Meanwhile, Rihanna and Chris Brown could be set to reunite at this year's Grammy Awards.

The pair, who have recently fuelled recent rumours that they are back together, will both be performing at the Grammy Awards.

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Rihanna and Coldaplay will take to the stage to perform their duet 'Princess Of China', while Brown is reportedly set to make his first appearance at the awards since assaulting Rihanna back in 2009.

Nominees for the prestigious Album Of The Year award include Adele's '21', Bruno Mars' 'Doo-Wops & Hooligans', Foo Fighters for 'Wasting Light', Lady Gaga's 'Born This Way' and Rihanna's 'Loud'.

Kanye West has received has been nominated in seven categories; four for his solo work and three as part of his collaboration with Jay-Z on 'Watch The Throne'.

Bon Iver, Nicki Minaj and Skrillex have been nominated for Best New Artist Of The Year.

Elsewhere, Mumford & Sons receive four nominations including general field nominations for 'The Cave' in the 'Record Of The Year' and 'Song Of The Year' categories.

Radiohead and Rihanna are each nominated in four categories, while Coldplay, Minaj and Lady GaGa have each secured three nominations.

The 54th Grammy Awards will be held at the Staples Centre in Los Angeles on February 12, 2012

You can see the full list of nominations for the Grammy Awards 2012 here.