Rihanna is being sued by her neighbor. Christian Moeller - who lives next door to the star's rented Los Angeles home - has started legal proceedings against the "Umbrella" singer because she is allegedly driving her cars over his front garden and ruining his grass.

The lawsuit, which was filed at Los Angeles Superior Court Tuesday, states the 21-year-old pop star allows vehicles to travel over Moeller's lawn to get to her driveway and the cars are regularly abandoned on his estate.

Rihanna is pursuing a basketball star. The "Umbrella" singer was in the crowd to see the Orlando Magic play Los Angeles Lakers last week - as was her ex-lover Chris Brown - and friends claim she watched the game because she has a crush on Orlando player Rashard Lewis.

A source said: "Rihanna is trying to get to know Rashard. She's digging on him, and she hopes the feeling is mutual."

Kanye West has confirmed he has split from Amber Rose. The "Stronger" rapper and shaven-headed model began dating earlier this year, but have decided to end their romance.

Kanye West and current radio darling Lady GaGa are heading out on a North American tour together. The "Heartless" rapper and "LoveGame" singer will begin touring in the fall.

Word is that GaGa won't be an opener, nor is it a co-headlining show, but instead the two acts will perform together throughout the show in one long set.

Chris Brown is "totally paranoid" after receiving death threats. The 20-year-old singer - who has pleaded not guilty to assaulting his on/off girlfriend Rihanna in February - has employed increased security amid concerns he could be attacked at any moment.

The Chicago Sun-Times newspaper reports: "It seems the music star has been targeted with death threats the authorities believe are actually legit."

Rihanna will be called to testify against on/off boyfriend Chris Brown. The "Umbrella" singer - who was allegedly attacked by Chris in February - is to appear in court on June 22 when it will be decided whether there is adequate evidence to take the case to trial.

Following a hearing in Los Angeles yesterday, her lawyer Donald Etra confirmed: "The District Attorney has advised me that she will be subpoenaed to testify. I will accept on her behalf. She will appear in court, and if asked to testify, she will do so."