Los Angeles, April 21 - Singer Katy Perry says performing her single "Firework" at a charity fundraiser with autistic fan Jodi DePiazza, has been her career's highlight.

The 28-year-old singer shared the stage with DePiazza, 11, at a taping of Comedy Central's show "Night of Too Many Stars" last year. Her fan had played the piano and sang along with Perry, reports contactmusic. com.

Los Angeles, Feb 14 - Katy Perry and Rihanna, who were once thick friends, are not speaking to each other. Katy is avoiding Rihanna because she has reunited with rapper Chris Brown.

Perry reportedly made a special request to be seated nowhere near the couple at the Grammy Awards Sunday.

"They aren't tight anymore because Katy doesn't approve of Rihanna dating Chris Brown," a source told usmagazine. com.

But friends close to Rihanna, 24, insist she has no problem with Perry, 28, but doesn't care what anyone thinks about her relationship.

Los Angeles, Feb 1 - Rocker John Mayer, who is coy about his relationship with singer Katy Perry, says he is content with how things are progressing between them.

"I mean, I am quite happy. I am happy in all aspects of my life. I am very happy in all aspects of my life," contactmusic. com quoted Mayer as saying.

Asked whether he sees himself settling down with Perry, 28, after a series of flings with the likes of Jennifer Aniston and Taylor Swift, he hinted that he wants a traditional lifestyle and hopes to walk down the aisle someday.

Los Angeles, Jan 26 - Singer Ed Sheeran says Katy Perry once refused to embrace him because he was sweating a lot.

"I played the set, stormed it, sweated a lot, got off stage and bumped into Katy Perry. I was like, 'All right Katy Perry, how are you?' She said, 'I came to your show and I love your album. I was gonna give you a hug, but eeugh!' and went," the sun. co. uk quoted Sheeran as saying.

"That was my chance ruined because I sweated so much," he said. (IANS)

London, Jan 10 - Musician John Mayer wants to move in with Katy Perry and create a special ''sanctuary'' in their new home.

The 35-year-old, who has previously dated a bevy of famous women including Jennifer Aniston, Cameron Diaz and Jessica Simpson, thinks Perry is "the one" for him and he is keen to move in with her as soon as possible, reports femalefirst. co. uk.

Los Angeles, Jan 4 - Singer Katy Perry says it will be a dream-come-true moment for her if she wins an Oscar award.

The singer would love if she gets nominated for her song "Wide awake" from her autobiography "Katy Perry: Part of Me", which has been sent for consideration in the original song category.

"It's like a dream's dream. When I was growing up and working on music, it was always a dream to win a Grammy, but Oscar was so far out of my dream sphere," usatoday. com quoted Perry as saying.

Los Angeles, Dec 28 - Singer Katy Perry made two young fans very happy when she invited them to sit with her during an airplane journey.

Perry, 29, got requests for autographs from two young girls via a flight attendant and not only did she gave them an autograph, but also invited them and their mother to sit with her.

They were flying from Chicago to Wisconsin, reports dailystar. co. uk.

Los Angeles, Nov 1 - Singer Katy Perry and British comedian ex-husband Russell Brand accidentally bumped into each other at a basketball game in California.

Perry was with her father Keith Hudson and Brand was with two boys to watch teams Los Angeles Lakers take on the Dallas Mavericks at the Staples Centre Oct 30, reports dailymail. co. uk.