Rihanna collaborates with Calvin Harris on new single
He's also set to open on the pop singer's 'Loud Tour'
New Rihanna album due this autumn?
Singer tweets that her sixth record is just months away
PETA accuses Rihanna of exploiting birds for 'her dubious looks'
Animal rights group has a big problem with singer's ostrich feather top
Rihanna files lawsuit over 'uninhabitable' $6.9 million (£4.25m) mansion
Singer sues former owner for allegedly failing to point out structural defects in her home
Rihanna, Nicki Minaj to premiere ‘Fly’ video at MTV VMAs 2011
Pair will debut their video collaboration during awards pre-show
Fans give mixed reactions to Rihanna's V Festival performance
Star's Weston Park headline performance draws muted response
Mel C brands Rihanna 'too sexual'
Spice Girl says singer's image is too provocative
Rihanna has already started work on 'Loud' follow-up, according to producer
Plans for a documentary also revealed
Watch Rihanna's 'Battleship' trailer – video
R&B artist gets a 'blink and you'll miss it' part in teaser
Rihanna replaces Lady Gaga as most popular female artist on Facebook
Singer topples Gaga as most 'liked' on social network site, but still trails Eminem overall