Jennifer Lopez hosted an in-store autograph session for her new album Love? yesterday (Tue. Apr 19) in Los Angeles. Love?, preceded by Lopez’ hit single “On the Floor” featuring Pitbull, officially drops on May 3rd.

Actor/comedian Russell Brand brought his wife Katy Perry along to the European premiere of his new movie “Arthur” in London on Tuesday.

Tennis superstarstar Serena Williams and NY Jets Cornerback Darrelle Revis Tuesday (Apr 19) were on hand for the New York City launch of the 2012 Range Rover Evoque at Highline States in Manhattan.

Singer/actor/author Tyrese signed copies of his new Book “How To Get Out Of Your Own Way” at Barnes & Noble bookstore at The Grove in Los Angeles Monday (Apr 18).

R&B singer John Legend performed for his “Wake Up!” Tour, in support of his joint album of the same name with The Roots, in Tokyo Monday evening.

Pop Singer Ke$ha hung out in the Converse Lounge at the Ace Hotel during Day 3 of the 2011 Coachella Festival in Palm Springs, California Sunday afternoon (Apr 17).

Actress Keke Palmer was sighted at the 2011 Common Ground Foundation Gala fundraiser at the Intercontinental Hotel over the weekend (Sat. Apr 16th) in Chicago.

Celebrity socialite/fashion designer Nicole Richie hit up a Coachella BBQ thrown by Mulberry at the Parker Palm Springs Hotel Saturday (Apr 16) in California.

And Paris Hilton and Cy Waits shared a quick kiss at the OASIS Beach Club Saturday (Apr 16) in Bermuda Dunes, CA.