Katy Perry, Orlando Bloom Dating: 'Firework' Singer Not Splitting With 'The Hobbit' Actor, Couple Gave Cancer Immunotherapy Launch Guests A Treat

Katy Perry and Orlando Bloom fans can breathe easy that previous news on a split-up between the "Firework" singer and "The Hobbit" actor is impending. Perry and Bloom gave fans, friends and the general public an eyeful during the Parker Institute for Cancer Immunotherapy launch in LA by the Napster co-founder Sean Parker.

People reports that Katy Perry and Orlando Bloom were among the celebrities that supported the Parker Institute for Cancer Immunotherapy launch by Napster co-founder Sean Parker. Along with Perry and Bloom were "Game of Thrones" star Emilia Clarke, Bradley Cooper, Katie Couric and Minka Kelly.

Also lending star power with the "Roar" singer and the "Pirates of the Caribbean" hunk were Hollywood powerhouses Tom Hanks and Goldie Hawn. The Parker Institute for Cancer Immunotherapy will reportedly bring together researchers from establishments as Stanford Medicine, UCLA, UC San Francisco and MD Anderson.

lil bit country, lil bit pop! #outdreamingmydreamsonebyone #ILYSMDolly https://t.co/NYfy5kEYiH

— KATY PERRY (@katyperry) 4 April 2016

The aim of Parker Institute is to support research on the fight against cancer through discovering immune system triggers that seek out and destroy cancer-causing agents. At arrivals, Katy Perry and Orlando Bloom came to the launch separately. Once inside the venue, however, Perry and Bloom were inseparable based on the account of a source for People.

Guests were reportedly treated to a happy dose of PDA by Katy Perry and Orlando Bloom. "Bloom had his arm sweetly draped around Perry's chair as they chatted with Allison Williams," the source said. "The pair seemed to be in a great mood."

The Daily Mail reports that Katy Perry and Orlando Bloom recently spent the weekend in Aspen to attend the wedding of stylist Jamie Schneider. Perry and Bloom reportedly took the opportunity to get a breather from their busy schedules.

"Roar" singer Katy Perry and her "Lord of the Rings" boyfriend Orlando Bloom first became a public item after the Golden Globe Awards in January. Orlando Bloom was married to his now ex-wife Miranda Kerr while Katy Perry was dating singer John Meyer.