Topix — Justin Bieber , Usher , B.o.B., Bruno Mars , and Lady Antebellum have just been added to the lineup of the 53rd annual Grammy Awards. more info

411 Mania — Along with Bruno Mars and Muse... more info

411 Mania — How did he do? more info

Guardian Music — Bruno Mars's pop nous is spoiled by some unfortunate vegetable metaphors, says Alexis PetridisThe path from star producer to pop phenomenon is traditionally a tricky one to navigate, but no one seems to have told 25-year-old Hawaiian Bruno Mars. He c... more info

Pop Crunch — Big Grammy New: Best New Artist nominee Justin Bieber, R&B vet Usher, B.o.B, Janelle Monáe Lady Antebellum, Muse, and nominee frontrunner Bruno Mars have been added as performers at next month’s ceremony. Music’s biggest night will be held at th... more info

The Independent — Bruno Mars is "in awe" of Alicia Keys. more info

Perez Hilton — Check Bruno Mars' soulful, stripped-down rendition of Katy Perry's California Gurls (above)! The dude is super talented!!!! more info

ContactMusic — Bruno Mars is "in awe" of Alicia Keys.The 'Grenade' hitmaker has said if he could pick anyone, he'd love to collaborate with the 'Empire State Of Mind' hitmaker on a track.The singer and songwriter said "I always say I wanna work with Alicia Keys. I'... more info

Gigwise — Along with Eminem, Arcade Fire, Lady Gaga... more info

MTV.co.uk News — Adele and Bruno Mars are currently battling it out to be the UK's No.1 single, according to midweek chart figures. Adele's new single, Rolling In The Deep, is currently on course to give the... more info