Jason Derülo is no longer riding solo! The R&B singer and reported new girlfriend, American Idol winner Jordan Sparks, were caught at dinner together Sunday in West Hollywood as the couple celebrated Derülo’s 22nd birthday. Sources say that it was Derülo’s “only night in L.A. and the pair were excited to reunite.”

Alternative rock band R.E.M announced its split last week after 31 years of performing together. Although the band will walk away as friends, they announced that they had been contemplating a break-up for some time. Their last album, “Part Lies, Part Heart, Part Truth, Part Garbage 1982-2011” is scheduled for release in November.

Justin Beiber arranged an extravagant date with girlfriend Selena Gomez Friday night in Los Angeles. The singer took his sweetheart to friend Demi Lovato’s concert at the NOKIA Theatre, then whisked her away to the Staples Center for a private steak dinner and screening of the “Titanic” on the arena’s Jumbotron.

While filming her new video for “We Found Love,” a scantily-clad Rihanna was asked to leave a Northern Ireland farm after stripping down to a bikini top and allegedly going topless. The farmer, who enforced a strict dress code at the shoot, took offense to the singer’s actions and politely asked her to leave.

The trial of Conrad Murray, Michael Jackson’s former doctor and alleged killer, began Tuesday in a Los Angles courtroom. As both the defense and prosecution argue their cases, jurors will decide if the pop star’s former doctor gave him a fatal dose of propofol, a powerful sedative.

Former “L-word” actress Leisha Hailey tweeted Monday that she was “discriminated against” as she was escorted off a Southwest Airlines flight after kissing her girlfriend. In defense, the airline reported that passengers described the pair’s behavior as “excessive.”

Contact Madeline Winer at [email protected].