Katy Perry came out to the 2011 Logie Awards at the Crown Palladium in Melbourne, Australia last night (May 1).

Sean “Diddy” Combs, Tyga, Ray J. and producer Rico Love were some of many celebs in attendance at the 400 Club’s “LifeStyle Of A Valley Girl Vol. IV Strip The Finale” party at Cameo nightclub Sunday night in Miami Beach.

Eva Longoria greeted fans and signed copies of her new book “Eva’s Kitchen: Cooking With Love for Family and Friends” at Williams-Sonoma in Miami Sunday afternoon.

Eve attended the L’Amour Fou Screening Sunday night at The Museum of Modern Art in New York City.

Actor’s Mekhi Phifer, Omar Epps, and Marlon Wayans showed up at the Capitol File’s White House Correspondents’ Association Dinner after-party presented by Bing and the Creative Coalition at the Ronald Reagan Building and International Trade Center in Washington, D.C Saturday evening (Apr 30).

Hugh Hefner brought along his fiancee Crystal Harris as he was honored at the 55th Anniversary Thalians Gala, held Saturday in Beverly Hills at his Playboy Mansion.

R. Kelly performed in concert at the Le Bataclan in Paris, France Saturday night.

Christina Milian showed her face at the LifeStyle Of A Valley Girl Vol. IV -“Swagg” party Friday night (Apr 29) at club Dolce in Miami.

Jennifer Lopez attended a special pre-release party for her new album “Love?” at The Grove in Los Angeles Friday afternoon.

And Rihanna hosted a meet and greet to promote the launch of her new Reb’l Fleur fragrance Friday at Macy’s Herald Square in NYC.