Brian & Toby Gad posted some photos from the studio session on saturday.
'Well well well, back to work for print. That's the white teashirtstreet boys!'
'Working working working chirping chirping chirping!!!'
'Backstreet's Back alright!!!!!! In the studio with the other dufobugers making another smash! Its called chirp'
'in the studio with The @backstreetboys!'