Katy Perry

Perry joins Ed Sheeran, The 1975, Bruno Mars and Skepta on the star-studded line-up.

The best dressed celebrities at this year's music awards ceremony.

The event was hosted by James Corden and saw performances from Adele, Beyonce, Lady Gaga and Metallica.

Perry, 32, performed her new single Chained To The Rhythm at the music awards ceremony.

Perry will perform the song live for the first time at the Grammys 2017 on Sunday 12 February.

Perry is expected to debut her new single at the Los Angeles awards ceremony on 12 February.

IBTimes UK exclusive: NFL spokesperson says the Super Bowl offers plenty of exposure for the performer.

Swift tweeted message of support for the protest, which took place in Washington DC.

PSA tells story of Japanese-American Haru Kuromiya who spent four years in an internment camp.

IBTimes UK lists all of the highlights from the Pirates Of The Caribbean actor in 2016.

Around 200,000 women are expected to take part on 21 January, the day after President-Elect's inauguration.

IBTimes UK looks forward to the biggest (expected) musical moments of the forthcoming year.

Kesha filed sexual assault lawsuit against Tik Tok producer Dr Luke in October 2016.

Celebrities are boycotting Trump's inauguration but remain as addicted to political endorsement as ever.

Bloom and Perry began dating in early 2016.

Former America's Got Talent contestant Jackie Evancho confirmed to sing US national anthem.

Perry is expected to release the follow-up to 2013's Prism in 2017.

Perry was a prominent supporter of Clinton during the US presidential election race.

Pop star and actor earlier enjoyed a Thanksgiving dinner in adorable matching outfits.

Perry was a staunch advocate of Clinton throughout democrat's presidential election campaign.

Couple have been dating since March this year.

Fisher revealed that she'd once sent cards to her family with husband Sacha Baron Cohen and Adams on as a joke.

Perry, 32, was reportedly ready to release the album towards the end of 2016.

Swift allegedly warned Cohen against discussing the incident during his talk show.

According to a report, the couple can't seem to agree on where to spend their Christmas holidays.

Republican Donald Trump is now the 45th US president after defeating Democratic nominee Hillary Clinton.

Perry appeared with Clinton while Bon Jovi performed with vice presidential nominee, Tim Kaine.

Taylor and Drake were reportedly spotted getting cozy at the rapper's 30th birthday party.

Bloom has been busy shooting for his new action-thriller Smart Chase: Fire & Earth in Shanghai.

Perry has been vocal about her support for Clinton and got naked in a spoof video encouraging public to vote.