Bruno Mars tops singles and album charts
US singer Bruno Mars has scored a double chart success, with number ones in both the singles and album charts.
His single Grenade held on to the number one spot for a second week and his album Doo-Wops and Hooligans went straight into the top spot after selling 86,000 copies.
Grenade held off Adele's new single Rolling In The Deep - from her new album 21 - which entered at two.
Grenade is Mars's second number one single after Just The Way You Are.
The song is still in the top 20 at number at 18.
The trio behind the song were last week named by Music Week magazine as the most successful songwriters in the UK chart in 2010.
The Smeezingtons - Mars, Ari Levine and Philip Lawrence - also co-wrote Grenade.
BBC Sound of 2011 winner Jessie J's Do It like A Dude dropped one place to number three in the singles chart.
Coming Home, the new release by US rapper Sean Combs's group Diddy-Dirty Money featuring Skylar Grey, entered the singles chart at number four.
MC Wretch 32's debut single Traktor, featuring vocals from L, entered at number five.
Britney Spears's latest single Hold It Against Me was at number six. Aggro Santos and Girls Aloud's Kimberley Walsh's Like U Like entered at number eight.
In the album chart, Rihanna's Loud dropped to second place. New release Ritual from White Lies debuted at number three while Plan B's The Defamation of Strickland Banks dropped two places to number four.
The winner of the BBC's Sound Of 2010, Ellie Goulding, saw her album Lights fall two places to number five.
Meanwhile the cast of US TV series Glee have now broken Elvis Presley's record for the fastest act to score 20 top 40 hits.
Their cover of Britney Spears's hit Toxic entered the singles chart at number 40.
It took the Glee cast 57 weeks to achieve the feat while Presley took 88 weeks.