The Jonas Brothers were spotted out in New York on Thursday.
Kevin, 30, Joe, 28, and Nick, 26, bundled up in winter coats as they enjoyed a dinner out in the Big Apple.
The spotting comes as the musicians are set to release their comeback single Sucker on Friday - their first new music in 10 years.
Sibling fun: Kevin, 30, Joe, 28, and Nick, 26, Jonas were spotted out in New York on Thursday
The brothers posed for the camera as they rocked matching white sneakers and all gave versions of the peace sign.
The album containing the single Sucker is titled JONAS.
This is their first new music since 2009's Lines, Vines and Trying Times.
Years & Years frontman Olly Alexander confirmed the reunion was happening after Nick let the news slip to him.
Big news: The spotting comes as the musicians are set to release their comeback single Sucker on Friday - their first new music in 10 years
Back: The Jonas Brothers are reportedly set to release their comeback single Sucker on Friday
Speaking to The Sun newspaper's Bizarre column, Olly spilled: 'He did tell me they were reuniting and he was like, "You cannot tell anybody." I was like, "OK, I'm keeping your secret, Nick."'
And on whether he plans on getting into the studio with the trio, he said: 'Oh my God, I wish! I would do anything I could do to be involved in that. I'm available if he still wants me.'
There has also been talk of the three of them working on a documentary to accompany their record.
The passing of time: Here all three are seen side by side in 2013
A source said recently: 'This is going to be one of the biggest music reunions in years. It's no secret that things weren't great by the end of the Jonas Brothers, but blood is thicker than water and they've healed their rift in the years since the split.
'After enjoying solo music success and taking time to work on passion projects, they feel that now is the right time to get back together.'
Shortly after news of their upcoming