Pop singer Rihanna was spotted arriving in London after jetting into the city from LAX early today.  Find out why she’s across the pond inside….

Rihanna, rocking a monochrome Donna Karan tracksuit and a Rude Boy jacket, was seen walking into her London hotel today after landing in the UK city.

Tonight, she’s attending a launch for her River Island collection at the brand’s Oxford St. location.  And after the launch, she’ll attend a private party held at London’s trendy Dstrkt nightclub.  For fans hoping to get a piece of the action, the collection goes on sale tomorrow (March 5th) worldwide both at the River Island stores and online.

Photos via INF/Splash/Fame