Take a look all the 2015 performances here:

The Grammy Awards will feature a number of collaborative performances, including Jessie J with Tom Jones, Lady Gaga with Tony Bennett and Adam Levine with Gwen Stefani.

He's taken Ladies,

Usher has reportedly got engaged.

Selena Gomez wants to "move on" from Justin Bieber.

Usher thinks Justin Bieber's troubles will improve his music.

Usher is coming to Dublin.

Taylor Swift is to perform at the upcoming MTV Video Music Awards (VMAs).

Usher claims getting married is the "best mistake" he has ever made.

Pop singer Justin Bieber has pleaded guilty to charges of careless driving and resisting arrest seven months after he was held in Miami Beach following what police initially called a drag race.

Justin Bieber is to plead guilty to lesser charges following his

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One Direction will headline this year's iHeartRadio Music Festival in the US.

and Beyonce has topped the poll

Justin Bieber is "unequivocally not a racist" according to Usher.

The 'Happy' hitmaker Pharrell Williams insists it would be a dream to team up with Prince and get into the studio to work on material.

Bryan Adams turned down an offer to become a coach on 'The Voice' UK.

A man has been convicted of killing Usher's stepson.

Baby-faced pop star Justin Bieber has been charged with assault today – the second arrest in a week for the troubled teenager – after turning himself in to police in Canada.

Justin Bieber's manager has given him an ultimatum.

Justin Bieber's record label boss thinks the star needs to be the subject of an "intervention".

Usher has warned Justin Bieber not to "f**k up" his success.

Actress Natalie Gumede has been given the all-clear to dance on tomorrow's 'Strictly Come Dancing' after days of nailbiting - and pain - as she waited to hear whether a back injury would stop her performing.

Pharrell Williams has married Helen Lasichanh.

On a rainy day in Manchester, Jonathan Higgs is reflecting on a job well done.

The full weight of the State is needed to bring about a collective solution for the residents of Priory Hall, it was claimed yesterday, as the Government set up talks to sort out a deal for the householders forced to leave their homes two years ago.

Angry victims of the Priory Hall scandal have called for Taoiseach Enda Kenny put aside legal matters, by-pass Environment Minister Phil Hogan, and meet a small group of residents face to face.

Residents spokesperson, Graham Usher, has questioned the time the Government has taken to resolve the Priory Hall issue.

A judge in Atlanta has dismissed an emergency request by R&B singer Usher’s ex-wife seeking temporary custody of their two children.

The son of Grammy-winning R&B singer Usher nearly drowned in an Atlanta pool and is in hospital police have said.

For Priory Hall owners, today’s developers are no better than the landlords of 100 years ago, says Jonathan deBurca Butler

Usher is not returning to 'The Voice' USA next season.

JUSTIN Timberlake is America’s biggest male pop star. I realised this for the first time the other day. It hit me during the final leg of Timberlake’s dizzying campaign to promote The 20/20 Experience, his first LP in nearly seven years, which came out Mar 19. He’d just hosted Saturday Night Live and was about to begin a week-long stint on Jimmy Fallon; at that point I half-expected him to burst forth from my recycling bin with a winning smile and stack of CDs under his arm.

Cee Lo Green is being sued over a failed Christmas tour.

Lady Gaga is to play at Barack Obama's inauguration tomorrow.

President Barack Obama’s second inauguration is going to be smaller than his historic first swearing-in, but still full of glamour and pomp.

Adele’s album '21' has now sold more than 10 million copies, according to Nielsen SoundScan.

Justin Bieber and Nicki Minaj performed together – and separately – at the American Music Awards.

Justin Bieber will be sitting with Taylor Swift at the American Music Awards on Sunday.

Tom Cruise is planning to spend Christmas Day with his daughter Suri.

Ear To The Ground returns for a 20th series, Thursday on RTÉ One. Presenters are Helen Carroll, Darragh McCullough and Ella McSweeney.

Britney Spears paid tribute to Whitney Houston at a special concert held in her honour last night.

Britney Spears will take part in the Whitney Houston tribute tomorrow.

Nicki Minaj and Rihanna lead the nominations for the 2012 American Music Awards (AMAs).

Usher’s ex wife insists he cheated on her.