Katy Perry

Other singers featured on Forbes' list include Lady Gaga and Fleetwood Mac singer Stevie Nicks.

Everyone took to Twitter this morning to react to Adele's first song in four years.

Taylor Swift's song Bad Blood was widely believed to be about Katy Perry.

Big-name artists such as Kanye West and Katy Perry deliver a welcome addition of new tracks to Prime Music.

67-year-old shares her thoughts on the pop industry in new memoir I'll Never Write My Memoirs

Fan in question has now admitted to Photoshopping the picture as a joke in 2014 before it became viral.

Calvin Harris feels fellow celebrities are jealous of Taylor Swift.

Katy Perry is reportedly planning to release a song to "take a dig" at Taylor Swift.

Miley Cyrus has slammed Taylor Swift's Bad Blood music video for promoting violence.

Rihanna is allegedly planning to release a song against Taylor Swift for taking a dig Katy Perry.

Couple have had a tumultuous romance since they began dating in 2012.

Taylor Swift's backup dancers held up a shark puppet during her concert in Massachusetts.

Katy Perry has spoken about the Taylor Swift-Nicki Minaj Twitter feud.

The track is expected to feature on the Skyscraper singer's fifth studio album.

Forbes names Roar singer the third highest-paid celeb behind boxers Floyd Mayweather and Manny Pacquiao.

Fans have complained that the video crashes on Tidal streaming service.

Bitch I'm Madonna is the fourth single to be released from Madonna's latest album Rebel Heart

Katy Perry is going to hit back at Taylor Swift with a new track called 1984.

Ellie Goulding has revealed that she shares a great bond with Katy Perry and Taylor Swift.

John Mayer is allegedly helping Katy Perry write a song about his former girlfriend, Taylor Swift.

YouTube co-founder Jawed Karim uploaded the first video, Me At The Zoo, on 23 April 2005.

Katy Perry will play a significant role at Robert Pattinson and FKA twigs' wedding.

DJ apologises for insulting Shake It Off singer last year

US singer shared the cryptic photo on Instagram.

Taylor Swift revealed that she won't talk about her alleged feud with Katy Perry in public.

OK! Magazine is claiming that Katy Perry is two months pregnant and is planning to get married soon.

Gangnam Style, Justin Bieber's Baby and Perry's Dark Horse are some of the internet's best loved videos.

The 57th annual Grammy Awards was held at the Staples Center on 8 February in Los Angeles, California.

John Mayer jokingly said that he will be avoided by Taylor Swift during Grammys 2015.

Grammys 2015 will be held on 8 February at the Staples Center in Los Angeles, California.