The stars have not released an album since 2017.
The trio will perform at the event in July.
The 51-year-old singer confessed when he gained a large amount of weight he did not want to look at himself.
The singer's daughter was stillborn in 2012.
Louis Walsh has hit out at today's talent shows, saying they are 'boring' because judges can no longer be honest.
The singers posed for pictures at the glamorous event.
Nicki Chapman says Simon Cowell liked to 'crush' women in games of 'cat and mouse' but that he would always expect to get it back as well.
The new singing contest is set to launch on ITV.
The West End star had been announced to duet with Gary Barlow on the pre-recorded show.
Gary Barlow tells Kate Thornton he doesn't think Take That's Mark Owen has ever forgiven himself for when Howard Donald dislocated a finger in the middle of a live show.
Gary Barlow says he hadn't sung for eight years when Take That recorded Brit Award winning single 'Patience'.
Take That star and songwriting sensation Gary Barlow said as a teenager he used to go to London for the day just to sit in the offices of EMI trying to hand out demos.
A big-name line-up features in the new Simon Cowell show.
Simon Cowell has confirmed his break from screens is only temporary after Gary Barlow took over his role on Cowell’s new show Walk The Line.
The Take That singer says his cameo in the 1960s-set ITV drama was 'one of the worst things I've ever done'.
The 'Never Forget' singer believes the band will reunited again with Robbie Williams and Jason Orange in the line-up.
A look back at the high and low points of Gary Barlow's life and career as he celebrates a milestone birthday.
The singer doesn't think he could write and album in a week like he once did.
The astronaut appears on The Graham Norton Show.
Gary Barlow has opened up about his weight issues after leaving Take That, saying his size ballooned when he “lost control” of himself when it came to food
Barlow has said the song is a 'funny' one that 'really celebrates British humour'.
Fans were left confused with the crooner's performance of new single Strange Days.
The singer and his wife lost their baby girl in 2012.
The former 'X Factor' judge said her initial statement had been in defence mode and she was "truly sorry" for any "pain" felt by Misha B.
Singer Misha B has said 'scripted' interactions with Louis Walsh and Tulisa left her feeling suicidal after X Factor experience