July 2009: Rated R

Rihanna made her return to music in July 2009, working with Jay-Z and Kanye West to release single 'Run this Town', which made number one in the UK, reached the top 10 in several charts across the globe, and earned the artists two Grammy awards for best rap song and best rap/sung collaboration . Following this, her fourth studio album Rated R was released in November, which spawned singles 'Russian Roulette', 'Hard' and 'Rude Boy', the latter of which managed a six-week stay at the number one spot in the US singles chart.